BETOOLL 13pcs Compression Tester with Spark Plug Tester - 300PSI Engine Cylinder Compression Gauge Automotive Tool

The engine compression tester kit is used to test the pressure of petrol engines to help determine cylinder problems, not applicable to crude oil engines.. Double spark plug testers could help diagnose engine outboard motor and fuel delivery system problems quickly and easily, and the spark plug works properly with the intermediate indicator light glowing.. Engine compression tester with release valve desgin could offer single-handed operation inflation and deflation.. The 13pcs compression tester kit comes with 10 different connect adapters, widely suitable for most types engine cylinder such as car, ship, truck, lawn mower, ATV, boat and so on.. Triple range cylinder compression gauge reads 0-300 psi , 0-20 bar and 0-21 kg/cm². Checking compression quickly and accurately.