Weldflame Stubby Gas Lens Kit for TIG Welding 17 18 26 Series Torches Stubby Gas Lens Kit for all 17, 18 & 26 series TIG torches. This kit allows you to put a 9 or 20 cup onto a 17, 18 or 26 torch head. Includes collets, gas lens collet bodies, 5 alumina ceramic cups 53N series size #4 53N58, #5 53N59, #6 53N60, #7 53N61 and #8 53N61S for using with gas lens collet body, heatshield, short and medium back caps. These will handle the following tungsten sizes: .040, 1/16, 3/32 & 1/8. This kit fits all 17 & 26 series air cooled torches and 18 series water cooled torches, including the Lincoln PTA-17, PTA-18 and PTA-26 torches, Miller Diamondback DB17, DB18 and DB 26 torches, along with the Weldcraft LS-17, WP-17, WP-18 and WP-26 torches.