Weiler Wolverine 4 inch type 27 depressed center cutting wheels deliver a fast cut rate and consistent performance at a good value when cutting steel and other metals. The depressed center provides added clearance when working at a constrained angle and 3/32" thickness is ideal for cutting angle irons and large cross-sections with a grinder. The 5/8" open arbor offers a cost-effective mounting option when using adapting nuts.