Save up to 40% of shield gas consumption" Provides better gas coverage versus standard collet bodies. Tungsten stick-out can be up to 6 times the electrode diameter. Less expensive replacement parts than standard gas lenses. Fits most standard silicone rubber insulated torch bodies.Large Diameter Gas Saver is ideal for titanium tubing. The High temperature Alumina Cup directs a uniform gas flow pattern over a very large surface area. Features the largest diffusion screen available on the market and allows you to weld titanium at low amps without a trailing shield. Package of 1 Series: 4 Series Includes: Heatshield (CK3HSGSLD), 3/32" Short Collet (CK4C332GS), Collet Body (CK4CBGSLD), 3/32" Tungsten Adapter (CKTAS332GSLD), Large Diameter Pyrex Cup (CK4a18GSLD)What Series is my Torch? Knowing the series of your torch takes the guess work out of finding consumables and replacement parts.2 Series: torches includes 9, 20, 100, 110, 130, 200, 230FL2L, CKM230, CWH230, WCM230 torches and other popular torches of Weldcraft, Lincoln, WeldTec and Profax with similar models.3 Series: torches include 17, 18, 26, 150, 210, 300, 510, Trimline, FL3L, CKM350, CWHTL300, CWH350, CWM350 and other popular torches of Weldcraft, Lincoln, WeldTec and Profax with similar models.4 Series: stubby consumables are compatible with 17, 18, 26, 150, 210, 300, 510 Trimline, FL3L, CKM350, CWHTL300, CWH350, CWM350 torches.51 Series: consumables are compatible with the CK510 torches.8 Series: torches include 24, 24W, 80, 90, 180, CWH180, CK24W.