Dia-Sharp - 2-1/2" Offset Diamond Mini-Hone Sharpener Kit - 3 PieceSharpen, deburr, and hone in tight spaces such as circular saw blades or router bits, while keeping hands away from the sharp cutting edges. The offset design of the DMT Dia Sharp 2 1 2" Offset Diamond Mini Hone Sharpener Kit offers better control for hard to reach areas. The uninterrupted monocrystalline diamond surface lets you quickly put a razor edge on pocket knives and small contact area tools. Coarse grit quickly restores a damaged edge; fine