Weiler Wolverine 4.5 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. The .045 wheel thickness is ideal for cutting tubes, bar stock, and large cross-sections with a right angle grinder. Wolverine is an aggressive, get it done product line for everyday general purpose use.