50 abrasive sheets in various grits for universal use from coarse to fine grinding on almost any material. Aluminum oxide and full resin bond guarantee fast material removal, minimum glazing and long tool life. Price includes: 50 perforated sanding sheet (10 each of grits 60, 80, 120, 180, 240), for use with backing pad and dust extraction system, H&L attachment. Savings compared to individual purchase.