Abrasive Cut-Off Wheel Abrasive Material Aluminum Oxide Grit 20 Connector Size 1 in Connector Type Unthreaded Hole Overall Diameter 20 in Overall Thickness 0.1875 in Compatible Tool Type Chop Saw Primary Material Applicationn Cast Iron Nickel Alloy Stainless Steel Steel Titanium Series 90A Wheel Type Type 1 Specification 90A244-YB97B Maximum Operating Speed 2 710 RPM Bond Type Resin Color Black Package Quantity 10