Weldcraft #8 (1/2) Long Alumina Gas Lens Nozzle Qty=10Size: #8 (1/2)Part # 54N14LGenuine Weldcraft replacement parts are engineered to work with all popular TIG torches.Optimizeshielding gas coverage by using an appropriate size gas lens. Gaslenses help minimize rework and allow for greater tungsten extension,which increases access into confined joints.