•Checks cylinder compression from 0 to 300 PSI (0 to 21 kg/cm²).
•Fit 18mm 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).
•Fit 18mm spark plug threads.
•Equipped with air-hold valve and gauge reset button.
•12" flexible rubber hose.