MTP TM 40x Mix 40/80/120/240 Grits 2" Roloc Type R Sanding Abrasive Disc Roll Lock Pack of 40 of 2" A/O Sanding Disc Disc Size: 2" Roloc Type R Thread in Total 40 sanding discs (40/80/120/240, 10 each) Material: Premium Grade Aluminum Oxide