•Checks cylinder compression from 0 to 300 PSI (0 to 21 kg/cm2).
•Extra long adaptor fits 14 mm spark plug threads.
•Equipped with air-hold valve and gauge reset button.
•12" flexible rubber hose.
 

•Checks cylinder compression from 0 to 300 PSI (0 to 21 kg/cm2).
•Extra long adaptor fits 14 mm spark plug threads.
•Equipped with air-hold valve and gauge reset button.
•12" flexible rubber hose.