Cut-Off & Grinding Wheel, Abrasive Material Aluminum Oxide, Connector Size 5/8 In.-11, Connector Type Threaded Hole, Grit 30, Overall Diameter 6 in, Overall Thickness 0.125 in, Primary Material Application Stainless Steel, Compatible Tool Type Angle Grinder, Series High-Performance, Wheel Type Type 27, Maximum Operating Speed 10,100 RPM, Grade Extra Coarse