Depressed Center Grinding Wheel Abrasive Material Ceramic Connector Size 7/8 in Connector Type Unthreaded Hole Grit 24 Overall Diameter 5 in Overall Thickness 0.125 in Primary Material Applicationn Stainless Steel Compatible Tool Type Angle Grinder Series CC-Grind Wheel Type Type 27 Maximum Operating Speed 12 200 RPM Grade Extra Coarse