The 3M Silver Cut-Off Wheel is a pack of 25, perfect for various metalworking applications. With a thickness of 4.5 inches and an arbor hole size of 7/8 inches, it provides a precise and accurate cut. Its T1 design ensures consistent performance throughout its use. The cut-off wheel is suitable for use in CNC, metalworking, and manufacturing industries. It is categorized under cut-off and chop wheels.