Cut-Off Grinding Wheel Abrasive Material Aluminum Oxide 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 Stainless Steel Steel Compatible Tool Type Angle Grinder Series Gemini XXL Wheel Type Type 27 Maximum Operating Speed 13 580 RPM Grade Extra Coarse