169715 Miller Masterweld Copper Gas NozzleSolid copper nozzles fit Miller® / Hobart Auto Arc® M10/M15 Mig guns and the Hobart® H9, H9A& H10 gun.169715 Nozzle has 1/2"(12.7 mm) id. Contact tip fits flush to the front of the nozzle. 169 715 Miller style gas nozzle standard packaging 5 pcs. per pack.