Quick-Change Sanding Disc, Abrasive Type Coated, Abrasive Material Ceramic, Backing Material Fiber, Backing Weight Y, Coating Coverage Closed, Grade Coarse, Grit 60, Overall Diameter 3 in, Quick Change System TR, Series 787C, Maximum Operating Speed 20,000 RPM, Resistance Properties Tear, Color Orange
USA Standard Testing Sieve, Wire Cloth Test Sieve, Stainless Steel Screen Material, Stainless Steel Frame Material, Mesh Size 1 1/16 in, Mesh Size Range Coarse, Wire Dia. 3.55 mm, Opening Size 26.5 mm, Outside Dia. 12 in, Frame Inside Dia. 12 in, Overall Depth 3.25 in, ASTM E11 Standards