3m Fiber Sanding Disc,4 in. 381C

Fiber Disc, Disc Diameter 4 in, Mounting Hole Size 7/8 in, Abrasive Type Coated, Abrasive Material Aluminum Oxide, Abrasive Grit 50, Abrasive Grade Coarse, Disc Backing Material Fiber, Max. RPM 15,000 RPM, Series 381C, Color Brown, Vacuum Hole Design Non-Vacuum