The CK TG1 stick-out gauge for standard torches provides consistent measurements of your tungsten stick-out every time. The TG1 works with the 9, 17, 20, and 26 series TIG torches.
Loosen knurled lock nut
Turn threaded gauge rod to adjust gauge depth (markings are in 1/16th inch increments)
Lock gauge by turning knurled lock nut firmly against the gauge body