Depressed Center Wheel, 4 1/2 in Dia, 1/8 in Thick, 7/8 in Arbor, Hardness T

Features: Zirconia aluminum oxide blend with T bond provides fast cuts and long life | Designed for pipeline applications such as cutting and light grinding of pipe root pass or welds | Versatile uses for ferrous metals including decking and cable, cutting angle iron/steel bar or metal sheeting