Depressed Center Cut-Off Wheel Abrasive Material Aluminum Oxide Connector Size 7/8 in Connector Type Unthreaded Hole Grit 24 Overall Diameter 5 in Overall Thickness 0.0938 in Primary Material Applicationn Stainless Steel Steel Compatible Tool Type Angle Grinder Series Gemini Long Life Wheel Type Type 27 Maximum Operating Speed 12 225 RPM Grade Extra Coarse