The CP861 Cut Off Tool allows you to cut through steel parts fast. It features a rugged, energy efficient 1/2 HP motor for maximum power to remove old exhaust parts, rusted clamps and brackets without the risk of burning nearby plastic or paint. Rear exhaust directs air away from work. Wheel size: 2-7/8-Inch; free speed: 20,000 RPM; average air consumption: 8.5 cfm; air inlet thread: 1/4-Inch NPTF; minimum hose size: 3/8-Inch; sound dBA: 89; length; 7.75-Inch; weight: 1.63 lbs.