Best In USA PORTER-CABLE 7800 Drywall Sander 150 Grit Hook and Loop Drywall Sander Pad and Disc (10-Pack) Durable aluminum oxide and waterproof grain for longer disc life and higher removal rates Mesh provides superior dust removal and Micro-Mesh surface provides greater wear resistance For use with PORTER-CABLE drywall sander 8-7/8" Hook & Loop Mesh Disc and 8-1/2" Foam Backing Pad Includes ten 150 grit sanding discs and one Backing pad