- 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 relief 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
