General description This automotive engine cylinder compression tester kit is designed for use with most gasoline engine models, including cars, motorcycles, and lawn mowers. It allows for quick and accurate checks of engine cylinder compression, helping to diagnose issues such as damaged pistons, worn rings, burned valves, and blown gaskets. Technical specifications Unit/Test Mode: Bar, PSI Material: Metal, Rubber Color: Black Pressure gauge diameter: 75 mm Thread sizes: M10 x 1.0 mm, M12 x 1.25 mm, M14 x 1.25 mm, M16 x 1.5 mm, M18 x 1.5 mm Overall hose length: 16 inches Hose with tension bar length: 16 inches Extension tube bar length: 8 inches Straight pressure tube length: 153 mm Elbow pressure tube length: 155 mm Maximum pressure: 300 psi or 20 bar Compatibility and accessories Compatible with gasoline engines for cars, motorcycles, lawn mowers, etc. Includes 5 brass adapters (M10, M12, M14, M16, M18) 1 straight connector 1 elbow connector 1 extension tube bar (8 inches) 1 rubber