Vulcan 912940OR Type 1 Cut-Off Wheel, 4-1/2 in Dia, 3/32 in Thick, 7/8 in Arbor, Premium, Aluminum Oxide Abrasive

The Vulcan cut-off wheel material is aluminum oxide. The arbor size is 7/8 in, the diameter is 4-1/2 in and the thickness is 3/32 in. Suitable to use on metal.