Gas Diffuser, Compatible with Brand Lightning(R), Series 63, Gas Diffuser Number 63-3116, Compatible with Series Not Applicable, Compatible with Model Not Applicable, Maximum Current 550 A, Connection Type Threaded, Duty Rating Heavy Duty, For Contact Tip Series 63-11xx, 63-13xx, 63-21xx, 65-11xx, For Nozzle Series 63, 64, 65, Welding Processes MIG Welding (GMAW), Connection Thread Gender Male, Connection Thread Type Slip-On, For Use With Lightning, Maximum Wire Diameter 0.052 in