Use to check cylinder compression to assist in the diagnosis of faulty valves, piston rings, cylinder heads, gaskets and etc.
Large, shock protected, easy-reading 2-1/2" diameter gauge with dual calibration 0-300 psi, 0-21 kg/cm²
Gauge head with pressure release valve for repeated test of cylinder without removing gauge
13" durable rubber extension hose with built in M14 adapter and one separate M18 adapter
8" heavy-duty aluminum extension tube with universal rubber cone adapter fits all plug holes