Feature:1. Transparent glass protection nozzle, stable and resistant to burning.2. Copper filter mesh is anti-oxidation, corrosion resistance and resistant to high temperature.3. Suitable for WP9/20 argon arc welding torch.4. Three types of kit is individually fit for 1/16in,3/32in and 1/8n tungsten pin.5. Compact and practical design make them work more reliable.Specification:Item Type:Glass Nozzle KitApplication Range: WP-9/20Suitable for Tungsten Pin :1.6mm(1/16in),2.4mm(3/32in),3.2mm(1/8in)(Optional).Package List:1 x White Silicone Ring2 x Rubber Washer1 x Glass Cup1 x Tungsten Pin Collet1 x Filter Guide Protective NozzleNote:Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.