Item Type: TIG Gas Lens Kit Material: Ceramic, copper General Orifice Size: Approx. 2.4mm / 0.09in Ceramic Mouth Model: 12#, 14# Short Bevel Electrode Holder Model: 4C332GS Grooved Connector With Mesh Model: 17GL3321Higher Low Temperature Impact Toughness: Come with excellent plasticity, toughness and crack resistance, especially higher low temperature impact toughness 2For WP 17 18 26 Series Welding Gun: This TIG gas lens kit is suitable for WP 17 18 26 series welding gun, useful and practical 3Meet Welding Joints Requirements: Used for argon arc welding and arc welding in various positions of pipelines, which can meet the requirements of welding joints 42. 4mm Orifice Size: The general orifice size is 2. 4mm, the ceramic nozzle model includes 12#, 14#, very applicable 5With Electrode Holder And Connector: Short bevel electrode holder model is 4C332GS, and model of grooved connector with mesh is 17GL332 2 x Ceramic Nozzle(with 2.4mm filter mesh) 1 x Short Bevel Electrode Holder 1 x Grooved Connector With Mesh