Milwaukee® Cut-Off/Raised Hub Wheel, Type 1, 4-1/2 in Wheel Diameter, 0.045 in Wheel, 7/8 in Center Hole, A60T Grit, Hard/Medium Grade, Aluminum Oxide Abrasive, 13580 rpm Maximum, Applicable Materials: Metal and Stainless Steel, Wheel Type Number: Type 1, Wheel Hardness: T
Aluminum oxide/silicon Carbide - cut-off/raised hub wheels diameter: 4-1/2 thickness: 0.045 in., 3/64 type: reinforced material: aluminum oxide hole size: 7/8.