Spool , MIG Type Spool , Cooling Method Air-Cooled, Series Spoolmate 150, Maximum Current 150 A, Duty Cycle 60 Percent, For Gas Type Ar (Argon), Maximum Wire Diameter 0.035 in, Cable Length 20 ft, For Rear Connection Type Miller-Compatible, Handle Type Pistol Grip, Trigger Type Standard, For Wire Type Aluminum, Model 301272, Tip Series Spoolmate, Welding Processes MIG Welding (GMAW), Spool Capacity 4 in, Application Aluminum Welding