Spool Gun MIG Gun Type Spool Gun Cooling Method Air-Cooled Series SpoolRunner 100 Maximum Current 150 A Duty Cycle 60 Percent For Gas Type Ar (Argon) Maximum Wire Diameter 0.035 in Cable Length 10 ft For Rear Connection Type Hobart-Compatible Handle Type Pistol Grip Trigger Type Standard For Wire Type Aluminum Model 300796 Tip Series Spoolmate Welding Processes MIG Welding (GMAW) Spool Capacity 4 in Application Aluminum Welding