Contact Tip Retainer, Compatible with Brand Lightning, Series 63, Gas Diffuser Number 63-3201, Maximum Current 550 A, Connection Type Threaded, For Contact Tip Series 63-11xx, 63-12xx, 63-13xx, 65-12xx, 65-13xx, For Nozzle Series 63, 64, 65, Welding Processes MIG Welding (GMAW), Connection Thread Gender Male, Connection Thread Size 9/16 In. -18, Connection Thread Type Slip-On, For Use With Lightning, Maximum Wire Diameter 0.052 in, Minimum Wire Diameter 0.03 in, Overall Length 15/16 in. This item has been restricted from sale in the following state (s): []