3M™ Wetordry™ Abrasive Sheet 213Q, 02038, P400, 9 in x 11 in, 50 sheets per bx or ea3M Wetordry Abrasive Sheet 213Q is an abrasive sanding paper constructed on a light, A weight paper backing and features a waterproof resin bonding to help prevent heat buildup. The aluminum oxide abrasive and waterproof backing make this paper an ideal product for sanding applications such as paint prep, sanding, sealer sanding, and solid surface finishing. Details Aluminum Oxide abrasive cuts fast and provides a consistent, fine finish Light, A