Nozzle Insulator, Compatible with Brand Tweco, Series 25CT, Compatible with Series Tweco No. 5, Compatible with Model WS25CT-50, WS25CT-62, WS25CT-72, For Nozzle Series 25CT, Maximum Current 500 A, Welding Processes MIG Welding (GMAW), Connection Type Threaded, For Use With #4 Style MIG Gun Conductor Tubes, MS450, Tweco #3, WM400, Material Brass, Copper, Polyester, Package Quantity 2. This item has been restricted from sale in the following state (s): []