Depressed Center Cut-Off Wheel Abrasive Material Aluminum Oxide Connector Size 7/8 in Connector Type Unthreaded Hole Grit 30 Overall Diameter 5 in Overall Thickness 0.045 in Primary Material Applicationn Stainless Steel Steel Compatible Tool Type Angle Grinder Series Carbo Gold Cut Wheel Type Type 27 Maximum Operating Speed 12 225 RPM Color Gold Grade Extra Coarse