Contact Tip Compatible with Brand Tweco Series 11AH Compatible with Series Tewco No 1 Tip Shape Cylindrical Duty Rating Heavy Duty Maximum Wire Diameter 0.046875 in For Wire Type Flux-Cored Solid Connection Type Threaded For Nozzle Series 21 For Gas Diffuser Number 35-50 51 51-23 Welding Processes MIG Welding (GMAW) Connection Thread Size M6 Inside Diameter 0.059 in Outside Diameter 0.25 in Overall Length 1 in Package Quantity 10