Cut-Off & Grinding Wheel, Abrasive Material Ceramic, Connector Size 7/8 in, Connector Type Unthreaded Hole, Grit 24, Overall Diameter 9 in, Overall Thickness 0.125 in, Primary Material Application Stainless Steel, Steel, Compatible Tool Type Angle Grinder, Series NorZon Plus SGZ, Wheel Type Type 27, Maximum Operating Speed 6,600 RPM, Grade Extra Coarse