Features 1、Applicable Models: This cup ring set is suitable for WP 9, 20, 25, 17, 18, 26 argon arc welding gun, check the model for better fit! 2、Package Includes: There are 5 cups, 10 rings, 5 storage boxes in the package, suitable for long term use. 3、Easy Carrying: There are 5 storage boxes in the package, which is convenient for you to carry these rings and cups. 4、Easy to Install: Comes with a compact size and a light weight as well, the installation and replacement can be quickly completed. 5、Ideal Replacement: The cup ring set with professional performance is an ideal replacement for the old and damaged parts. Specification Item Type: Welding Glass Cup Set Product Material: Glass Material Applicable Models: Suitable for WP 9, 20, 25, 17, 18, 26 argon arc welding gun Specification of Glass Protective Cup: 10# Package List 5 x Glass Cup 10 x Green O Ring 5 x Storage Box