Southweld 57N74 TIG Consumable, Tig Nozzle, Size/Rating: #8, 1-7/8 Inch Length, Alumina, Tip Size: 1/2 Inch, Series: 57N Series, Weight: 0.57 lb, For Type/Brand/Model: RadnorĀ® 17, 17F, 17FV, 17V, 18, 18F, 18P, 18V, 20, 20F, 20M, 20P, 22, 22A, 22B, 25, 26, 26F, 26FV, 26V, 27, 27A, 27B, 9, 9F, 9FV, 9P, 9PV Series Torches, Large Gas Lens