Miller 1880279 AccuLock™ S Consumables Kit, .045" (1.2mm) wireMiller 1880279 AccuLock S Consumables Kit is a ready to go replacement kit for keeping your MDX 250 MDX 250 EZ Select MIG gun running correctly on . 045 in (1. 2 mm) wire. Its built around Millers AccuLock S front end parts, so you can refresh the wear items in one shotcontact tips, diffuser, nozzle, and insulatorswithout mixing components. This kit is a solid choice for shops running . 045 wire regularly where consistent feeding and a clean, stable