PORTER-CABLE 77105 100 Grit Drywall Sanding Pad (5-Pack) N/A Imported Durable aluminum oxide grain for longer disc life and higher removal rates Premium foam pad for even material removal and long pad life Foam backed Durable aluminum oxide grain for longer disc life and higher removal rates Premium foam pad for even material removal and long pad life Foam backed Compatible with the Porter-Cable 7800 drywall sander Includes five 100 grit sanding pads