Features Good Material: Using premium copper and PTFE materials, these tools have great plasticity, toughness and crack resistance. Practical Use: Suits perfectly for 17 and 26 series air cooled welding gun as well as 18 series water cooled welding gun. 68Pcs in Pack: Comes with 5pcs 12# glass cup, 3pcs pressure cap, 4pcs short connector, 10pcs ceramic nozzle and so on. Welding Accessory: Used for TIG welding and arc welding of pipeline, and can weld carbon steel and some low alloy steel. Easy to Install: Designed to have a compact size and a light weight, the installation is very convenient to complete. Specification: Item Type: TIG Welding Accessory Set Product Material: Copper, PTFE. Application: For WP17 18 26 welding gun. Electrode Clip Specification: 1.5mm / 0.06in, 2.4mm / 0.09in, 3.2mm / 0.13in Glass Specification: 12# Package List:10 x Ceramic Nozzle5 x Glass Cup3 x Pressure Cap4 x Short Connector4 x Small Connector with Mesh20 x Short Electrode Ring14 x Green O Ring6 x Red O Ring2 x PTFE Front Cover1 x Storage Box Note:Match the proper size before use, and do a good job of safety protection. Package List 10 x Ceramic Nozzle 5 x Glass Cup 3 x Pressure Cap 4 x Short Connector 4 x Small Connector with Mesh 20 x Short Electrode Ring 14 x Green O Ring 6 x Red O Ring 2 x PTFE Front Cover 1 x Storage Box