Hobart AirForce™ plasma cutters offer economy but pack an industrial punch. Choose from three models, the AirForce 250Ci, AirForce 500i or AirForce 700i. The AirForce 250Ci has a built-in air compressor for quick, convenient cuts and is rated for up to 1/8 inch thick material. The AirForce 500i can run on either 115 volt or 230 volt input power and is excellent for cutting 1/4 inch thick material. The 700i offers a full 40 amps of cutting power yet weighs only 35 pounds.