1、APPLICABLE MODEL: This kit is suitable for all 9 and 20 series air cooled welding guns and 25 series water cooled welding guns. 2、COPPER CERAMIC MATERIAL: The plasma cutting torch components are made of premium copper, ceramic materials, which are durable, and reliable in use. 3、FINE WORKMANSHIP: Well crafted in standard size and fine appearance, this kit ensures a tight fit with your equipment, choose with confidence! 4、EASY INSTALLATION: Comes with small size and complete accessories, these tools can be easily installed and be put into use soon. 5、IDEAL REPLACEMENT: The kit has multiple accessories, making it easy to replace and a perfect substitute. Item Type: TIG Gas Lens Kit Material: Copper, Ceramic Scope of Application: Plasma gas cooling This kit is suitable for all 9 and 20 series air cooled welding guns and 25 series water cooled welding guns 4 x #10 Glass Cup 5 x Ceramic Cup 4 x Connector 8 x Clamping Head 12 x O Ring 3 x Back Cup 1 x Gasket 1 x Finger Sleeve 4 x Small Storage Box