General Duty High Speed Cutter. This high speed cutter is best suited for the occasional user or the do-it yourself-er. It is ideal for cutting sheet metal, fiberglass, bolts, muffler clamps and hangers, and exhaust pipes. The rear exhaust directs the air away from the work. Ribbed handle design for a positive grip. 3/8" shaft accepts 3" cut-off wheels. (Be sure cut-off wheels are rated above 22,000 rpm). Protective wheel guard is included. Maximum free speed: 22,000 rpm. Average air consumption: 5 cfm @ 90 psi. Length: 7 1/4". Weight: 1 3/4 lb. 1 year limited warranty.