Hobart Airforce 250A Plasma Cutter #500437 Welds 22 gauge up to 1/2 inch material in a single pass Seven-tap voltage control allows for a smooth easy-to-control arc Infinite wire feed speed control for precise adjustment of penetration and weld bead shape Comes complete with 200 amp gun and built-in running gear/cylinder rack Hinged door for easy access to wire drive system for spool and drive roll changes