This W Weldpro Spool gun comes complete with a 2 LB Spool of .030 inch aluminum wire. For use on machines with a metal Plug on the machine and torch lead. American SB8, with 0.9 contact nozzle on the gun, 13mm2 cable, 3m gun length, 16M-4A iron-sealed four-core, 12V SB8 wire feeder, 0.9-feeder wheel, with SB8 wheel-type welding gun American-neutral instruction manual, with 0.8/0.9 contact nozzle each, install SB8 white box, put SB8 outer carton Remember when welding aluminum with this spool gun use reverse polarity, electrode positive and be sure to switch your gas to 100% argon