Features:Can be quickly set to your motor / car, get accurate readings in valves, piston rings, cylinder bores or head gaskets.Manometer with two test pressure: 0 - 300 PSI / 0 - 20 BarDrain valve with full copper nickel plating, anti-oxidation and corrosion. And with rubber protection to prevent scratches.M10 thread is suitable for motorcycles, M12 / M14 / M18 threads are suitable for car.Come with 2 rubber cones that don't need to be threaded into the head, can test the compression on almost any engine. Specifications:Test Unit/Mode: Bar, PSIMaterial: Metal, RubberColor: BlackSpecial function: Get accurate readingsPressure gauge diameter: 75mmFour thread size: M10 x 1.0mm, M12 x 1.25mm, M14 x 1.25mm, M18 x 1.5mmHose overall length: 430mmPressure tube length: 150mmAngled pressure tube length: 160mm Package Contents:1 x Compression Tester1 x Hose4 x Thread1 x Straight Line Pressure Pipe1 x Angled Pressure Pipe1 x Plastic Case