3M 348D Coated Aluminum Oxide Sanding Disc - 40 Grit Coarse Grade - 24 Inch Diameter - for Metal, Wood & Paint Removal - Ideal for Grinding, Sanding & Surface Prep [Price per Disc]

3M coated 348D PSA disc uses aluminum oxide as the abrasive material and has a diameter of 24 in. 3M incorporates this aluminum oxide material into the PSA disc forming a grit of 40. This item is on a cloth backing, X weight.