The Master's Edge Knife Sharpening System includes a pair of both medium (grey, 800 grit) and fine (white, 1000 grit) ceramic rods for sharpening and professional grade polishing. Also included in the system is a medium ceramic triangular rod which will sharpen all types of serrations as well as awls and fish hooks. Features three of the most common sharpening angles: 17deg, 20deg and 25deg, a rubber non-slip base, easy snap in rod storage, and an integrated hand guard.