8" Aluminum Oxide Sharpening Honing Whetstone - Dual Grit - Knives Scissors Tools Essential accessory for keeping all bladed/cutting tools performing like new 8" x 2" block of aluminum oxide - preferred for its excellent, predictable abrasive properties One side medium 80 grit for straightening & sharpening rolled or deformed edges Other side is fine 120 grit for precision honed, razor-sharp finishes; can be used wet or dry Use on tools from knives, chisels, plane irons to axes, hatchets, mower blades - even hoes & shovels