4-1/2 in. x .045 Metal Cut Off Wheel-50 pc

4-1/2 in. x .045 x 7/8 in. arbor hole. Max RPM: 13,300 Aluminum Oxide grain for cutting ferrous metals. Metal reinforced center hole for extended life. Double reinforced with high tensile strength fiberglass. Extra thin design. Carbon, Alloy, Rebar, Metal tubing, Light gauge metals.