This Lansky Knife Sharpener is the Universal Sharpening System that allows you to sharpen both straight edged and serrated knives. It contains 3 standard hones - coarse, medium, and fine - and a special medium grit hone for serrated blades; 4 guide rods; 1oz bottle of Nathan's Honing Oil; knife clamp/angle guide wit spare screws.
LKUNV, Lansky Universal Knife Sharpening System