Cut-Off Grinding Wheel Abrasive Material Ceramic Connector Size 5/8 In.-11 Connector Type Threaded Hole Grit 24 Overall Diameter 4 1/2 in Overall Thickness 0.125 in Primary Material Applicationn Nickel Alloy Stainless Steel Steel Compatible Tool Type Angle Grinder Series SG24N Wheel Type Type 27 Maximum Operating Speed 13 300 RPM Grade Coarse