57N78

Metal Nozzle, No.10 = 5/8" (16.0mm) Orifice.  For Metal Nozzles on W-500, WP-27A, 27B, 27BHD and HW-27 Series TIG Torches.

Note: Use in conjunction with 57N76 Metal Nozzle Adapter

Genuine Arc-Zone® replacement parts are compatible with TIG torches from 
CK, WeldTec, ESAB, TecTorch, Radnor, ProStar, BestWelds, TigMaster, Profax, Diamondback, Lincoln etc.