Econaway Abrasives 1/2X12" Twenty-Five piece Belt Assortment-(Compatible with Work Sharp Knife & Tool Sharpener) 5 each 120, 180, 320, 600, 1200 grit aluminum oxide abrasive belts MADE IN USA-Highest Quality material and manufacturing process-superior performance and durability Fits Darex Work Sharp Knife Sharpeners Premium Quality Aluminum Oxide Material FREE SHIPPING