Works with 17, 18, & 26 series air-cooled TIG torches. Includes: • 1 Short Back Cap • 3 Collets (.040, 1/16", & 3/32") • 3 Collet Bodies (.040, 1/16", & 3/32") • 3 Nozzles (4, 5, 6) • 2% Ceriated Tungsten 7" Electrodes (.040, 1/16", & 3/32")