Miller Spoolmatic(R) 30A Spoolgun is the professional's choice for exceptional aluminum MIG welding results in industrial or commercial applications. Process MIG welding (GMAW) with Aluminum and other soft alloy wires Applications Light-duty Aluminum Fabrication Sign Manufacturing Auto Shop Features Engineered for operator comfort, the Spoolmatic 30A gives you portability and a 30 ft cable assembly to access those hard-to-reach welds. Barrel is Roughneck(R) and Bernard(R) Centerfire(TM) compatible. Built-in gas valve eliminates the need to purge long gas lines. 2-stage trigger includes gas preflow. Spool canister rotates 180 ‚°. Wire speed adjustment on the gun handle saves time. Reversible drive roll saves time and money.