Nozzle, Compatible with Brand Tweco, Series Tweco, Compatible with Series Tweco, Compatible with Model Tweco 500 Amp Consumables, Bore Diameter 3/4 in, Connection Type Threaded, Duty Rating Standard Duty, For Contact Tip Series 15AH, 15AHFC, 15H, 15HFC, 16, 16S, For Gas Diffuser Number 55, 55H, 55SW, Welding Processes MIG Welding (GMAW), Current Range 500 A, Application MIG Welding, Color Brass, Connection Size 1 in, Connection Thread Size 1 In.-8, For Use With Tweco, Inside Diameter 0.75 in