Cut-Off and Grinding Wheel, Abrasive Material Ceramic, Connector Size 7/8 in, Connector Type Unthreaded Hole, Grit 36, Overall Diameter 4 1/2 in, Overall Thickness 0.156 in, Primary Material Application Stainless Steel, Compatible Tool Type Angle Grinder, Series Not Applicable, Wheel Type Type 27, Maximum Operating Speed 13,300 RPM