This kit is compatible with all 17 & 26 series air-cooled torches and 18 series water-cooled torches, including PTA-17, PTA-18, PTA-26, DB17, DB18, DB26, Weld Craft -17, -18, and -26 torches. Includes: 2 pcs 3/32 inch 10N24S TIG Collet and 2 pcs 3/32 inch 17GL332 Stubby Gas Lens. Made of copper with good plasticity, toughness, and crack resistance, featuring high low-temperature impact toughness. Suitable for TIG welding and arc welding on pipelines and various joints. Can be used for welding carbon steel and some low alloy steels. Color: Black + Blue Material: Copper Size: 16mm Package Contents: 4 x #12 Glass Cup 1 x 57Y04 Short Back Cup for TIG Welding Torch 1 x 57Y03 Medium Back Cup for TIG Welding Torch 1 x 57Y02 Long Back Cup for TIG Welding Torch 2 x 3/32 inch 10N24S TIG Collet 2 x 3/32 inch 17GL332 Stubby Gas Lens 1 x 18CG-20 Cup Gasket 1 x 18CGG Cup Gasket 10 x Temperature Resistant O-rings Note: The package includes only the items listed above. Other products are not included. Note: Lighting and display differences may cause slight variations in color between the image and the actual item. Measurement error allowed is +/- 1-3 cm.