This electronic engine cylinder compression tester kit can quickly evaluate engine condition. It features a high-precision digital pressure gauge (10-200 psi) with a backlit display for clear readings. A built-in pressure-hold valve locks the peak pressure for convenient recording. The kit includes M10/M12/M14/M18 adapters, straight and angled extension tubes, and a portable carrying case. It can adapt to most gasoline and diesel engines, helping you assess cylinder compression performance. | Vevor | | Engine Cylinder Compression Tester Kit, Pressure Gauge Range of 10-200 PSI, Compression Tester Kit with 4 Adapters | Black | Best Buy