Contact Tip, Compatible with Brand Miller, Series FasTip, Compatible with Model 130831, 195156, 198127, 198128, 198129, 198130, 300001, 300003, 300004, 301568, 301569, 301570, 301571, 301572, 301573, Compatible with Series Spoolmatic 15, Spoolmatic 30, XR-Aluma-Pro, XR-Pistol, Tip Shape Standard, Duty Rating Heavy Duty, Maximum Wire Diameter 0.052 in, For Wire Type Aluminum, Connection Type Threaded, For Nozzle Series FasTip, For Gas Diffuser Number 206195, 206196, 210664, 227749, 229670 This contact tip is designed for use with the Roughneck(R) MIG welding gun, which features an aluminum-jacketed gooseneck, and is 360 Degrees wrench rotatable.