Diamond Wheel, Abrasive Depth Not Applicable, Abrasive Material Diamond, Back Thickness 1/8 in, Concentration Not Applicable, Connector Size 5/8 In.-11, Connector Type Threaded Hole, Grit Not Applicable, Compatible Tool Type Angle Grinder, Primary Material Application Cast Iron, Ceramic, Stainless Steel, Steel, Overall Diameter 4 1/2 in, Overall Thickness 1/8 in, Rim Thickness 1/8 in, Series DiaLast, Specification DIALAST, Wheel Type Type 29, Maximum Operating Speed 13,580 RPM