Features and Benefits: Cuts squares, angles, and circles Long-life tool with heavy duty cutting blades Shears most types of plastics and all types of aluminum, tin, and steel Heavy duty performance rating 4,200 strokes per minuteThe versatile cutting shear that makes clean cuts in cold rolled steel up to 20 gauge without chips. Ideal for body shops, sheet metal shops, air conditioning fabricators, plastic fabricators, heating contractors, and machine shops. average air consumption: 4 cfm; air inlet NPTF: 1/4"; minimum hose size: 3/8"; weight: 2.8 lbs.; length: 9.4".