Norton 04056 Sanding Disc, 5 in Dia, Coated, P320 Grit, Extra Fine, Aluminum Oxide Abrasive, Universal Vacuum. The A290 fine grit paper hook-and-loop vacuum disc combines a P-graded aluminum oxide abrasive for outstanding durability and fast cut action with a fiber-reinforced, flexible C-weight latex-saturated backing for strength.
