Abrasive Cut-Off Wheel, Abrasive Material Aluminum Oxide, Grit 24, Connector Size 1 in, 20 mm, Connector Type Unthreaded Hole, Overall Diameter 12 in, Overall Thickness 0.125 in, Compatible Tool Type High-Speed Electric Saw, High-Speed Gas Saw, Primary Material Application Steel, Series Gemini Metal HD, Wheel Type Type 1, Maximum Operating Speed 6,300 RPM, Reinforced Status 2-Layer Reinforced