Spool , MIG Type Spool , Cooling Method Air-Cooled, Series Spoolmate 100, Maximum Current 135 A, Duty Cycle 30 Percent, For Gas Type Ar (Argon), Maximum Wire Diameter 0.035 in, Cable Length 12 ft, For Rear Connection Type Miller-Compatible, Handle Type Pistol Grip, Trigger Type Standard, For Wire Type Aluminum, Model 300371, Tip Series Spoolmate, Welding Processes MIG Welding (GMAW), Spool Capacity 4 in, Application Aluminum Welding