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Spyderco Knives from Spyderco
About Spyderco
Since starting Spyderco we've been told our knives are different, peculiar, even out there. All true. Thinking beyond established knife industry barriers allowed us to introduce new and radical innovations to the knife culture including: One-hand opening, serrations on a folder and a clip to attach a knife to a pocket. We didn't go into business to rake in a mountain of dough we're here for more selfish reasons- indulging our passion for creating knives. Spyderco is definitely out of the norm in the knife industry in our dedication to researching and developing fresh, improved and better performing materials all with function and reliability being key. Someone once said to Sal Glesser, Spyderco's owner, "You must design in the dark because your knives look so strange." True again. Our recognizable appearance is a result of designing ergonomic functional tools rather than applying lipstick and nylons to a pocketknife. We may look curious, homely, whatever, but we'll never be called unusable or undependable. Making knives that consistently deliver reliable high-performance requires an ongoing commitment to testing. In our million-dollar testing facility we examine edge retention with a CATRA machine, look for rust development with Q-FOG, check the force needed to open and close a knife. We also repeatedly test for stress, wear, optimal heat-treating and actively search for higher quality, performance enhancing steels and materials. As a customer you probably don't think about this, or much care, but it allows us to put forth a promise. When you purchase a Spyderco you are buying a high-quality reliable cutting tool designed and manufactured for peak performance and ergonomic comfort. Those Who Know Carry Spyderco.
Knife Care
Care and Feeding of Your Spyderco
Spyderco knives are an investment. Knives are designed to perform one particular function, that is cutting. With that in mind Spyderco uses exclusively high-carbon stainless steels. High-carbon premium stainless steels provide superior edge retention but can rust if not correctly cared for (rust is rarely the result of a manufacturing defect). Rust may form when your knife is used in a saltwater environment or exposed to moisture in general. If surface rust appears, buff the steel with a metal polishing compound before the steel becomes pitted. Thoroughly rinse salt water off with fresh water, dry your knife completely (inside and out) and apply a light coat of oil or silicone to all steel parts.
To ensure safe operation regularly inspect the interior of the knife for pocket lint and grime. Clean both the well of the lock and inside the handle often using a toothpick, hot water and mild soap or detergent. Rinse thoroughly, dry the knife inside and out and lubricate all steel components with oil or silicone. A couple drops of lubricant at the locking and pivot points will ensure smooth action.
Always Keep Your Knife Sharp
A sharp knife makes cutting easier and safer. The longer a knife goes without edge maintenance the more difficult sharpening becomes. You can easily uphold your factory edge (plain and serrated) at home with Spyderco's Tri-Angle Sharpmaker or ProFile set. You also can return your knife to Spyderco's corporate headquarters for complimentary sharpening for as long as you own it. The costs and responsibility involved in shipping the knife to and from Spyderco are the responsibility of you, the original owner. If we determine that your edge is irreparable our Warranty and Repair Department will contact you.
Knife Warranty
Spyderco knives are designed and built for use as cutting tools. Use of our knives for any purpose other than cutting is considered abuse. As with any usable tool, Spyderco knives can wear out. They may also fail to perform if not used or cared for properly. If your knife has been put to hard use for a long period of time, it is possible that Spyderco will be unable to improve the condition of your knife.
Warranty
Spyderco warrants that all of our products are free from defects in material and workmanship.
Spyderco's warranty does not cover damage caused by abuse, misuse, loss, improper handling, alterations, accident, neglect, disassembly, or improper sharpening, or normal wear.
If a knife fails to function as it was designed we will examine its condition upon its return to us, identify why it failed and respond in an appropriate manner.
If we determine that there is a defect in the manufacture/materials/workmanship we will, at Spyderco's option, repair, or replace that product with the same model or one of equal value.
If the problem is determined not to be caused by defects in manufacture/materials/workmanship, we will inform you of the cost for repair if possible (please see below). Upon agreement and payment we will perform the repair.
If unable to improve the condition of the knife, we will return it to you with the recommendation it be retired from use. All costs associated with shipment of the product(s) are the responsibility of the customer.
Repair Information
Sharpening -- complimentary provided the edge of the knife is not severely damaged -- please include $5.00 for shipping and handling.
For the following repairs, please include $20.00 plus $5.00 shipping and handling:
Blade or Edge -- broken tip from prying or dropping, destroyed edge due to improper sharpening, loose blade from abuse, rust due to neglect or other blade issues. (Spyderco is unable to replace blades in most models)
Clips -- stripped screw holes, screws sheered off, broken or missing clip or other clip issues.
Scale or Handle -- missing scale screws, knife action stiff, missing Kraton, or other handle issues.
Where to send your knife
When sending your knife in for Warranty or Repair include a description of the problem and how it occurred. Include company name, return address (no PO Boxes) daytime phone number so we may contact you. We recommend shipping UPS or registered mail for tracking purposes should your knife fail to arrive at our offices. For questions please contact your Spyderco Representative.
Spyderco, Inc.
Attn.: Warranty and Repair
820 Spyderco Way,
Golden, CO 80403 USA
Tel: 1-800-525-7770 • 303-279-8383
Fax: 303-278-2229
What is a SpyderEdge?
Why does Spyderco manufacture SpyderEdge (serrated) blades?
Because serrations improve cutting ability. The tips of the serrations provide single point penetration at the same time the center of effort rotates around each serration for an infinite number of cutting angles, increasing the cutting edge length by up to 24% (Diagram B). A serration is a sharpened recessed curve along the edge of the blade and has more linear cutting surface than a straight edge in the same space (Diagram A). And, serrations improve edge retention because the tips initiate the cut easing the amount of force required by the recessed edges. The points actually protect the sharp inside curves that continue the cut, thus the curves have less wear over time. Our signature SpyderEdge, also referred to as a two-step serration incorporates a repeated pattern of one large and two small serrations (Diagram B).
There have been many variations of serrated edges produced over the years. Even a properly sharpened plain edge will exhibit vertical scratch patterns with "micro-serrations" that enable the edge to cut efficiently (Diagram C). Overall, the SpyderEdge provides the most efficient cutting performance in a serrated edge. We recommend it for all your aggressive jobs such as cutting rope, seat belts, cardboard, rubber hose and leather. With proper cutting technique, the SpyderEdge can function equally well for fine-skilled tasks such as skinning, cutting paper and slicing. The SpyderEdge is easily maintained with our Tri-Angle Sharpmaker or ProFile sets.
Clip
The original Spyderco CLIPIT was introduced in 1981.We were the first company to use the clothing clip as part of our knife design.The clip is located on one side of the knife handle and allows you to securely attach the knife to a pocket or other convenient location for easy access. CLIPITS are designed to be carried with the knife on the inside of the pocket and the clip on the outside.In this position the knife is secure and protected and can be easily removed when needed. The knife sits flat along the inside of the pocket for comfortable carry regardless of size.
Clip placement also determines whether the tip of the knife blade points up for tip up carry or down for tip down carry . Carry configuration depends on the overall knife design. Each carry configuration requires a different accessing technique, though both work equally well. The clothing clip is now a popular folding knife feature industry-wide.Spyderco alone makes a wide variety of clip styles.
Spyderco Trademark Round Hole
The Spyderco Trademark Round Hole is the industry symbol of quality. It is our most recognizable feature and facilitates easy opening and closing of our knives with one hand. The hole offers convenient access and maximum control while opening as well as accommodating large, small and gloved hands. The position of the hole in the blade and the fact that it is round allow for a continuous opening motion. The thumb rests against the hole at a comfortable distance from the palm permitting easy rotation from the pivot point.
To open the knife using the hole, place the knife in your open hand at the base of your fingers and grasp the clip side of the handle with the tips of your fingers. Rest the pad of your thumb in the hole, then gently and smoothly slide the blade away from the handle (see below). When a solid click is heard, the knife is locked in the open position (note that the blade should always be locked securely in the full open position before use).
One Hand Opening
  
  
To close a folding knife that includes a front lock, simply turn the open knife in your hand so that your fingers are on the open side of the handle and your thumb rests on the lock release. Making sure that your index finger is located as high as possible on the handle, release the lock by pressing with your thumb, a gentle flick of the wrist may be necessary. The kick (the unsharpened portion at the base of the blade) will fall onto your index finger protecting your hand from the cutting edge. Rotate the knife so that it is sitting at the base of your fingers with your fingertips on the clip side of the handle (the opening position). Place your thumb pad in the hole or on top of the blade spine and glide the blade safely to the closed position (see diagram). Slightly different closing procedures are used with other locking mechanisms. All closing mechanisms require the utmost caution and care.
In many Spyderco models, the hole forms a hump on the top of the blade that serves as a thumb rest for increased cutting control.
Steel Element Information
Carbon (C)
• Increases edge retention and raises tensile strength.
• Increases hardness and improves resistance to wear and abrasion.
Chromium (CR)
• Increases hardness, tensile strength, and toughness.
• Provides resistance to wear and corrosion.
Cobalt (CO)
• Increases strength and hardness, and permits quenching in higher temperatures.
• Intensifies the individual effects of other elements in more complex steels.
Copper (CU)
• Increases corrosion resistance.
Manganese (MN)
• Increases hardenability, wear resistance, and tensile strength.
• Deoxidizes and degasifies to remove oxygen from molten metal.
• In larger quantities, increases hardness and brittleness.
Molybdenum (MO)
• Increases strength, hardness, hardenability, and toughness.
• Improves machinability and resistance to corrosion.
Nickel (NI)
• Adds strength and toughness.
Nitrogen (N)
• Used in place of carbon for the steel matrix. The Nitrogen atom will function in a similar manner to the carbon atom but offers unusual advantages in corrosion resistance.
Phosphorus (P)
• Improves strength, machinability, and hardness.
• Creates brittleness in high concentrations.
Silicon (SI)
• Increases strength.
• Deoxidizes and degasifies to remove oxygen from molten metal.
Sulfur (S)
• Improves machinability when added in minute quantities.
Tungsten (W)
• Adds strength, toughness, and improves hardenability.
Vanadium (V)
• Increases strength, wear resistance, and increases toughness.
Steel Production And Properties
The following provides a very brief overview of steel treatment and properties:
By definition, steel is a combination of iron and no more that 2% carbon. Steel is alloyed with various other elements that combine to produce special properties. Once a particular alloy1 combination (or steel type) is selected, specific procedures are used to maximize the unique qualities required for that steel to perform. Generally speaking, the process for converting a steel alloy into a premium knife steel is heat treating.
Heat treatment is the most important stage in the evolution of an alloy into a performance knife steel. The first step in the heat treatment process is to reach a critical temperature.3 This temperature is held for a specific amount of time (depending on the steel being hardened) and causes the steel to become austenetized.4 Heat treatment is one of the many factors that determines the grain size5 of the steel (a fine grain structure is more desireable for knife blades because it improves edge retention and enhances blade finish).
Next, the steel is quenched6 to achieve its maximum level of hardness.7 At this point, the steel is too hard and brittle for practical use and thus tempering8 is of key importance in bringing the steel to its ideal hardness level (different knife steels perform best at different levels of hardness). Tempering also increases wear resistance and toughness9 properties. When tempering, it is important to understand the interaction between hardness and toughness. An increase in yield strength10 and tensile strength11 and a decrease in impact strength12 and ductility.13 An increase in toughness is usually accompanied by the opposite effect (i.e. an increase in toughness and ductility and a decrease in yield strength and tensile strength). Therefore, high-impact knifes such as swords and machetes would benefit from a softer blade (to avoid blade breakage), while low-impact knifes such as pocket knifes may benefit from a harder blade (to improve wear resistance). Once tempering is complete, the final hardness of the steel can be determined using a Rockwell Test.14
For more detailed information of the above processes and properties, we recommend the following references that were used to compile this information: Metallurgy Fundamentals by D.A. Brandt (published by Goodheart-Wilcox) and Heat Treaters Guide by P.M. Unterweiser (published by ASM).
1. Alloy
A material that is dissolved in another metal in a solid solution; a material that results when two or more elements combine in a solid solution.
2. Austenetized
The basic steel structure state in which an alloying is uniformly dissolved into iron.
3. Critical Temperature
The temperature at which steel changes its structure to austenite in preparation for hardening.
4. Ductility
The tendency of a material to stretch or plastically deform appreciably before fracturing.
5. Grain Size
The physical size of the austenite grains during austenizing. The actual size can vary due to thermal, time and forging considerations.
6. Hardness
The resistance of a steel to deformation or penetration analogous to strength.
7. Heat Treating
Heating and cooling metal to prescribed temperature and the limits for the purpose of changing the properties and behavior of the metal.
8. Impact Strength
The ability of a material to resist cracking due to a sudden force.
9. Quenched
Rapidly cooled from the critical temperature using water, oil, air or other means.
10. Rockwell Test
A measurement of steel hardness based on the depth of penetration of a small diamond cone pressed into the steel under a constant load.
11. Tempering
Reheating to a lower temperature after quenching for the purpose of slightly softening the steel, precipitating carbides, stress relieving.
12. Tensile Strength
Indicated by the force at which a material breaks due to stretching.
13. Toughness
The ability of a material to resist shock or impact.
14. Yield Strength
The point at which a steel becomes permanently deformed; the point at which the linear relationship of stress to strain changes on a Stress/Strain curve.
Handle Materials
Almite
A coating used on aluminum handles similar to anodizing. Resistant to scratching and marring, it can also be tinted to any color for visual appeal.
Anodized Aluminum
Subjecting aluminum to electrolytic action which coats the aluminum with a protective and decorative film.
Carbon Fiber
Graphite fibers (the size of a human hair) are woven together and fused in epoxy resin. It's lightweight, three-dimensional in appearance and is a superior (and expensive) handle material.
Cocobolo
Hardwood from the Cocobolo tree, ranging in color from bright orange to deep red and dark purple. Its grain and fine texture are relatively easy to work, polishes to a high sheen and is popular as an inlay or embellishment on knife handles.
Fiberglass Reinforced Nylon (FRN)
A nylon polymer mixed with glass fiber that is then injected into a mold for making lightweight knife handles.
G-10
Handle material made of epoxy filled with woven glass fiber that is impervious to changes in temperature and can be tinted into many colors.
Jigged Bone
Derived from deceased animals, generally the chin bone of a cow. The bone is generally dyed and surface texture is obtained by cutting grooves into the bone.
Kraton
A rubbery thermoplastic polymer used as a flexible inlay on knife handles for enhanced grip.
Micarta
A composite of linen or paper fabric in an epoxy resin used as a handle material. It is incredibly lightweight, durable and visually appealing. It can be bead blasted or polished, changing its appearance.
Sermollan
A rubberized plastic used on kitchen knife handles that offers a secure grip and resistance to bacteria.
Stainless Steel
Steel that contains a minimum of 12-1/2-13% chromium, making it resistant (not stain-proof) to corrosion. The chromium oxide "CrO" creates a barrier to oxygen and moisture, preventing rust formation.
Titanium
A non-ferrous metal with high tensile strength is light-weight and resistant to corrosion. Often used for handle material or knife liners.
Wood Epoxy Laminate
This is an impregnated wood laminate, which is extremely hard and machines similar to Corian, aluminum and Micarta.
Sheath Materials
- ABS
- A black amorphous thermoplastic terpolymer with high impact strength.
- Boltaron
- A recycled ABS/acrylic PVS extruded alloy sheet material used for making sheaths. It has excellent impact strength and abrasion, chemical, and fire resistance properties.
- Kydex
- A thin thermoplastic commonly used for firearm holsters and knife sheaths. It is flexible, resistant to sweat, chemicals, oils and solvents. It is shaped by heat and retains its' set form.
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- Glossary
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- ABS
- A black amorphous thermoplastic terpolymer with high impact strength.
- Almite
- A coating used on aluminum handles similar to anodizing. Resistant to scratching and marring, it can also be tinted to any color for visual appeal.
- Alumina Ceramic
- The compound used for Spyderco sharpening stones. It is a ceramic-bonding agent mixed with alumina particles (synthetic sapphires), shaped, then kiln fired at temperatures in excess of 3000 degrees F.
- Ambidextrous
- Using both hands with equal ease. Pertaining to knives, it is a knife that is not solely designed for a left-or right-handed person but can be used with equal ease by both hands.
- Anodized Aluminum
- Subjecting aluminum to electrolytic action which coats the aluminum with a protective and decorative film.
- Back Lock
- Locking system positioned on the spine of the handle that uses a rocker arm, which pivots in the center. A notch on one end of the arm connects with a notch on the blade's tang, locking the blade open.
- Balisong/Butterfly
- A knife design believed to have originated in the UK, brought to the Philippines by English sailors, and was adopted and popularized in the Philippines. Often used in Filipino martial arts. The knife has two separate handle sections that rotate round the blade's pivots to create a handle and then rotate back covering and protecting the blade when closed.
- Ball Bearing Lock
- A compressive lock wedging a stainless steel ball bearing between a fixed anvil and the blade tang. The ball is also utilized to detent the blade into the closed position.
- Batch
- Refers to a knife model that is made in small numbers. A Spyderco batch is 1500 pieces and if the model is received well another batch or more may be produced.
- Bi-Directional Texturing
- A texture molded into an FRN handle, which is a series of graduating, sized forward and backward steps that radiate outward from the center of the handle. This texture provides resistance to slipping and sliding when gripped in the hand.
- Bolster
- A piece of metal, generally nickel silver or stainless steel, that is located at one or both ends of a folding knife handle.
- Boltaron
- A recycled ABS/acrylic PVS extruded alloy sheet material used for making sheaths. It has excellent impact strength and abrasion, chemical, and fire resistance properties.
- Bowie-Shape
- A blade with an upswept, curving tip that is double-edged near the point. It is named for Colonel James Bowie who made this shape famous in the 19th century American west.
- Caping
- A term to describe the careful and detailed cutting and removing of the hide from a game animal for the purpose of taxidermy. More precisely it refers to removing the skin from the head, shoulders and neck.
- Carbide
- A hard, sharp carbon/iron material used where a very hard material is needed such as in machining or drilling steel. Spyderco uses carbide to make the glass breaking tip found on the C79 Assist model.
- Carbon Fiber
- Graphite fibers (the size of a human hair) are woven together and fused in epoxy resin. It's lightweight, three-dimensional in appearance and is a superior (and expensive) handle material.
- Chamfered
- Grinding a secondary flat surface on a corner, creating a beveled edge. Commonly done to the edges of a knife's handle or the inside radius of a hole making a smoother contact spot for hand/fingers.
- Choil
- A choil is a round cut out seperating the cutting edge from the ricasso. It is also used to describe a cut out, molded or formed area where the handle and blade meet which positions/guards the index finger while gripping the opened knife.
- Chris Reeve Style Integral Liner Lock
- Custom knifemaker Chris Reeve developed upon, then popularized the Walker Liner Lock in an integral form. An integral liner lock functions as a traditional liner lock with the exception that the liner is actually comprised of part of the handle scale.
- Clip-Point Blade
- A blade, ground on the top (spine) in an angled or sweeping line downward. The underside (where the sharpened edge is) is ground upward. The two angles meet at the tip and where the angles meet determines the depth of the blade's belly.
- CLIPIT
- Spyderco's trademarked term for their line of folding knives which feature a pocket clip. A CLIPIT fan is often called a CLIPITEER.
- Cobra Hood™
- A machined flange of steel positioned over the Spyderco round opening hole on the spine of the blade which directs/positions your thumb over the hole for quickly opening the knife blade. See Spyderco C71 Salsa.
- Cocobolo
- Hardwood from the Cocobolo tree, ranging in color from bright orange to deep red and dark purple. Its grain and fine texture are relatively easy to work, polishes to a high sheen and is popular as an inlay or embellishment on knife handles.
- CombinationEdge
- Blade that is partially serrated, partially plainedge.
- Compression Lock
- A Compression Lock uses a small piece of metal that is inserted, from the side, in between the blade tang and the stop pin (or anvil pin).
- Cordura
- Cordura® is a certified fabric from INVISTA. It is used in a wide range of products from luggage and backpacks to boots, to military wear and performance apparel. It is long lasting, resistant to abrasions, tears and scuffs. Spyderco utilizes this product on our SpyderPacs.
- Dagger
- A grind down the center of a blade equally dividing it into halves. On the SpyderFly only the bottom edge is sharpened and the top of the dagger grind is left unsharpened creating a false edge.
- Damascus
- Two types of steel that are folded repeatedly during the forging process to produce very attractive and expensive steel. This new steel retains the properties of the two parent steels.
- David Boye Dent
- Custom knifemaker David Boye removed a small arc or dent of metal from the lock bar lever of his knives. This removed piece lessened the possibility of gripping the handle hard enough to depress the lock and accidentally unlock the blade while using the knife.
- Detent
- A minute divot or dimple machined into the blade tang. A ball bearing drops into the detent hole when the knife is in the closed position, holding the knife blade closed inside the handle.
- Diamond Coating
- The mechanical entrapment of diamond crystals into a metal substrate. This process operates by depositing metal, layer by layer, from a plating solution until enough metal is built up around the diamond crystals to hold them in place.
- Double Flat-ground
- A blade that is ground flat on both sides of the blade, tapering to an edge with no radius.
- Drop Point
- A blade design made popular in hunting knives originally by Bob Loveless and Bo Randall. Simply, the tip of the blade is lowered through a convex arc from the spine.
- EDC
- An acronym for Everyday Carry meaning a knife that is carried and used daily.
- ELU
- Acronym for "end-line user", the consumer who uses Spyderco knives and sharpeners.
- Embellishment
- Term used to describe personalized engraving or additional ornamentation added to a knife after it is manufactured.
- EMT
- Acronym for Emergency Medical Technician.
- Ergonomics
- The applied science of equipment design intended to maximize productivity by reducing operator fatigue, safety and discomfort. Knives which are designed to be comfortable and less fatiguing to use are labeled "ergonomic."
- Fiberglass Reinforced Nylon (FRN)
- A nylon polymer mixed with glass fiber that is then injected into a mold for making lightweight knife handles.
- Finger Choil
- A purposeful and specific area/curve cut out between the blade and handle. It creates a grip position point closer to the cutting edge for better control while cutting.
- Flat-Grind (Full)
- A knife's edge that tapers from the cutting edge all the way to the blade's spine that is ground completely flat without a radius.
- Flat-Saber Grind
- A knife's edge, ground completely flat without a radius that tapers from the cutting edge to a grind line down the center of the blade. Unlike a Full Flat Grind, which tapers from the cutting edge all the way to the blade's spine the Flat Saber only is flat ground just to the grind line.
- Full Flat-ground
- A flat grind leaves a flat surface, that flat surface if ground from edge to spine is considered a full-flat grind. If that flat surface goes from the edge to somewhere in the middle of the blade it would be considered a flat saber grind. Spyderco uses both types of flat-grinds. Full-flat is found on our C36 Military Model, flat-saber-grind can be found on our C11 Delica and C10 Enduras.
- G-10
- Handle material made of epoxy filled with woven glass fiber that is impervious to changes in temperature and can be tinted into many colors.
- Gut Hook
- A sharpened "hook" which lies on the spine of a hunting knife blade. This design allows the hunter to field dress the animal without puncturing the animal's intestine.
- Hamaguri Grind
- (Also called Appleseed Grind or Moran Grind): is a convex grind.
- Handguard
- Protrusion/expansion on the knife's handle proximal to the blade keeping the hand safely positioned on the handle inhibiting sliding forward.
- Hawkbill Blade
- Blade shaped in a sharply curved hook like the talon of a raptor. The inside edge of the blade is sharpened and works particularly well for commercial fishermen who reach out and pull toward them while cutting line, webbing and netting.
- High Alumina Ceramic
- The compound used for Spyderco sharpening stones. It's a ceramic-bonding agent mixed with alumina particles (synthetic sapphires), shaped then kiln fired at temperatures in excess of 3000 degrees F.
- Hollow-ground
- Edge that is ground with a radius leaving a concave shape above the cutting surface.
- Indexing
- "Locating" mark, also used for controlled rotation of the open knife, while gripped in the palm, from one hand-hold to another, e.g., rotating from a forward grip to a reverse grip.
- Integral Pocket Clip
- Pocket clip that is molded as part of (integral to) the handle rather than a separate component attached with screws. Found on Spyderco model C17 the Catcherman.
- Jigged Bone
- Derived from deceased animals, generally the chin bone of a cow. The bone is generally dyed and surface texture is obtained by cutting grooves into the bone.
- Kick
- The unsharpened portion along the underside of the knife blade where the edge begins. Keeps the blade "kicked out" so the edge does not hit the back spacer.
- Kinetic Opener
- A horn or protuberance on the top portion of a knife blade by which the blade may be opened when leveraged against something solid, i.e. an opponent's body. Similar to the opening devices found on straight razors.
- Kraton
- A rubbery thermoplastic polymer used as a flexible inlay on knife handles for enhanced grip.
- Kydex
- A thin thermoplastic commonly used for firearm holsters and knife sheaths. It is flexible, resistant to sweat, chemicals, oils and solvents. It is shaped by heat and retains its' set form.
- Lanyard Hole
- A hole placed in the end of a knife handle opposite the blade. Originally used by sailors who would place a cord through such a hole in their knife to keep from losing it overboard. MBC: An acronym for Martial Blade Craft.
- Left/Right-Hand Carry
- Knife clip that is manufactured to affix to either side the knife positioning the folder for use by left- and right-handed people.
- LEO
- Acronym for Law Enforcement Officer.
- LinerLock
- Locking system developed by custom knifemaker Michael Walker. The blade of a knife is locked open by a leaf-like spring that butts up against the tang of the blade.
- Little Big Guy Knife
- Term coined by Spyderco to describe a small bladed knife (generally under three inches) that is manufactured using features and materials that allow the knife to be used for strenuous or hard cutting normally done with larger, heavier tools.
- Martial Blade Craft (MBC)
- MBC is the practice of combative arts for self-protection, physical conditioning and control and coordination of the body. MBC's ultimate goal is to train professionals to "stop the bad guy from hurting innocents."
- Micarta
- A composite of linen or paper fabric in an epoxy resin used as a handle material. It is incredibly lightweight, durable and visually appealing. It can be bead blasted or polished, changing its appearance.
- Modified Leaf Pattern
- Unlike a traditionally leaf-shaped blades, Spyderco offers several models in this basic blade shape but with variations such a distinctly pointed tips, spine cusps and swedge grinds.
- Nesting
- Hollowing out a section in G-10 or other handle material on the inside of the handle where the lock and or liner is then inset/inlayed and fitted into the hollow section. Nesting increases strength and creates a thinner overall profile to the knife.
- Para Cord® Sleeve
- The outer nylon sleeve of Para Cord. Spyderco uses the sleeve to cover the ball chain attached to our neck sheaths thus reducing noise during carry as well as possible pinching from the chain.
- Phantom Lock
- A pressure release locking system used on the Spyderco MeerKat, model C64. The lock is released by positioning your thumb on the butt end of the handle over the Spyderco bug, and two fingers on the back side of the handle then scissoring the two sides in opposite directions.
- Photon II
- Quarter-sized flashlight that uses photon technology, an LED bulb emitting incredibly bright full spectrum light with a Lithium long-life battery.
- Pinky Shelf
- An angled protrusion at the distal-end of the knife handle where the pinky sits. This angled portion of the handle offers a leveraging spot for additional control and coordination over the knife while in the hand.
- PlainEdge
- A sharpened knife blade with no serrations or teeth. Sometimes called a smooth blade.
- Pommel
- The knob or expansion found on the of end a sword or knife.
- Quillion
- A handguard protruding from both sides of the handle (where the handle and blade meet), which stops the hand from slipping up onto the blade.
- Reverse "S" Blade
- Blade shape resembling a backward S with the tip curving downward. The deep belly (thickest part of the blade) curves in the same direction as the tip. See C12 Civilian.
- Save and Serve
- Blanket term used to describe knife users who are EMTs, LEOs, Military Personnel -- anyone who saves and serves.
- Scale
- A knife handle made of scales or slabs of material that are riveted, screwed or bonded together.
- Sermollan
- A rubberized plastic used on kitchen knife handles that offers a secure grip and resistance to bacteria.
- Sheepfoot Blade
- A blade with a round, blunt tip that has no point. The design inhibits accidental stabbing while working in emergency situations, around livestock and inflatable boats.
- Slip Joint
- Non Locking Blade -- a blade having a spring acting against it, which provides some resistance to its opening and closing as it pivots within the handle.
- Spear Point
- Blade shape that has an equal amount of curve on the spine and the cutting edge. The two curves meet, coming together at the point. Designed for general-purpose cutting.
- Spine Cusp
- A point or crest above The Spyderco Round Hole that creates a spot where the thumb is placed and offers leverage while holding the knife and cutting.
- Sprint Run
- A limited, one time only, production of a knife design/model. Production numbers are less than 1500 pieces.
- Spyderco Trademark Round Hole™
- Round hole located in the knife blade used for one-hand opening and closing of a knife blade.
- SpyderEdge
- Spyderco's two-step serration pattern of one large and two small serrations. This pattern increases the cutting edge by 24%.
- Stainless Steel
- Steel that contains a minimum of 12-1/2-13% chromium, making it resistant (not stain-proof) to corrosion. The chromium oxide "CrO" creates a barrier to oxygen and moisture, preventing rust formation.
- Swedge (non-sharpened)
- Also called a false edge, it is a ground edge on the back of the blade's spine, that is chamfered, or non-sharpened. It removes weight from the blade and can change the blade's balance and penetration performance and appearance.
- Tang
- The portion of the blade where it connects to the handle.
- Tek-Lok
- Detachable polymer clip mounted onto some of Spyderco's sheaths which can be situated to carry the knife in five different carry positions: vertical, inverted, cross-draw, small of back or horizontal position.
- Tip-Up/Tip-Down
- Refers to which direction the folded knife if positioned by its pocket clip. When closed and clipped in a pocket, whichever direction (up or down) the blade's tip sits defines if it is termed tip-up or tip-down.
- Titanium
- A non-ferrous metal with high tensile strength is light-weight and resistant to corrosion. Often used for handle material or knife liners.
- Trainer
- A red-handled non-sharpened knife used for training and practice purposes.
- Volcano Grip
- Our trademarked name for the waffle texture found in our FRN handled lightweight knives. The continuous pattern of small squares offer better hand grip while cutting.
- Wharncliffe
- A blade design in which the point of the knife is dropped to a straight cutting edge.
- Wood Epoxy Laminate
- This is an impregnated wood laminate, which is extremely hard and machines similar to Corian, aluminum and Micarta.
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