Spool Gun MIG Gun Type Spool Gun Cooling Method Air-Cooled Series Spoolmatic 30 Maximum Current 200 A Duty Cycle 100 Percent For Gas Type Ar (Argon) Maximum Wire Diameter 0.063 in Cable Length 30 ft For Rear Connection Type Miller-Compatible Handle Type Pistol Grip Trigger Type Two Stage Trigger For Wire Type Aluminum Model 130831 Tip Series FasTip Welding Processes MIG Welding (GMAW) Spool Capacity 4 in Application Aluminum Welding