Fiber Disc Abrasive Type Coated Abrasive Material Ceramic Backing Material Fiber Backing Weight YY Grit 24 Overall Diameter 5 in Series Predator Coating Coverage Closed Maximum Operating Speed 10 000 RPM Resistance Properties Heat Connector Size 7/8 in Connector Type Unthreaded Hole Color Gray Features Self-Lubricating Grinding Aid Rigid Backing Grade Extra Coarse Package Quantity 25