Contact Tip, Compatible with Brand Miller, Series Spoolmate, Compatible with Model 300497, 301272, Compatible with Series Spoolmate 150, Spoolmate 200, Spoolmate 250, Spoolmate 3545, Tip Shape Standard, Maximum Wire Diameter 0.03 in, For Wire Type Aluminum, Maximum Current 250 A, Connection Type Threaded, For Nozzle Series Spoolmate, For Gas Diffuser Number 199390, Contact Tip Number 199387, Welding Processes MIG Welding (GMAW), Connection Thread Size M5, Material Copper, Package Quantity 5