The 3M Green Corps Cut-Off Wheels 01989 are high-quality abrasive wheels designed for metalworking tasks. With a 3/8 inch arbor hole size and a 3-inch wheel diameter, these cut-off wheels are ideal for precise cutting and grinding operations. This pack of 5 wheels, each with a thickness of 1/32 inch, ensures that you have an ample supply of durable and reliable cutting tools for your workshop or manufacturing needs.