The Tomahawk 375 Plasma Cutter from Lincoln arrives at your door ready to tackle the plasma jobs on your list. With the 375 Air, ditch the grinder and grab the torch! Thanks to the internal air compressor, the 375 is great for situations where external compressed air isn't available. Recommended cut of 5/16 inch. Maximum cut of 3/8 inch. Sever cut of 1/2 inch.