Depressed Center Cut-Off Wheel Abrasive Material Aluminum Oxide Connector Size 7/8 in Connector Type Unthreaded Hole Grit 24 Overall Diameter 7 in Overall Thickness 0.0938 in Primary Material Applicationn Stainless Steel Steel Compatible Tool Type Angle Grinder Series A24R Wheel Type Type 27 Maximum Operating Speed 8 700 RPM Grade Extra Coarse