The Smith 6 Diamond Tri-Hone features a coarse-diamond stone(325 grit), fine-diamond stone(750 grit) and natural-Arkansas stone(1,000-1,200 grit), allowing you to sharpen a dull blade to a fine edge and polish it with one tool. Sharpens all kinds of cutlery from pocketknives to kitchen knives. Stones are labeled and color-coated for easy identification. Stones are mounted on a triangular-shaped base with handles for easy stone rotation. Nonskid stand with a trough to catch any excess sharpening solution holds stones in place. Sharpening-angle guide and 1-oz. bottle of honing solution included. Cancer and Reproductive Harm- www.P65Warnings.ca.gov. Type: Sharpeners.