Flap Disc Abrasive Type Coated Abrasive Material Aluminum Oxide Grade 80 Backing Plate Material Eco-Trim Connector Size 5/8 In.-11 Connector Type Threaded Hole Density Rating Standard Flap Disc Type Type 27 Overall Diameter 5 in Quick Change System TS Series ENDURO-FLEX Stainless Backing Material Eco-Trim Backing Weight Not Applicable Coating Coverage Not Applicable Grit 80 Maximum Operating Speed 12 200 RPM Features Trimmable