The Forney 250 AMP Spool Gun allows practically any MIG welder to weld aluminum. Designed for simplicity, reliability, and performance, this spool gun is suitable for both first time users and experienced professionals. The unit is lightweight, compact, and built with high quality ergonomics for ease of use. It comes standard with a 20 ft. all in one power and gas cable, providing an extra large working area. This spool gun is optimized to use TWECO style consumables and .035 in. wire, and it can also run wire diameters ranging from .030 in. to .045 in. It is capable of welding material thicknesses ranging from thin sheet metal to 1/2 in. thick plate. The Forney 250 AMP Spool Gun is compatible with Euro style Forney and Forney Pro MIG and Multi Process (MP) machines.