This automotive compression tester works with most car models with gasoline engines. It comes with adapters and pipes in different size tofit different models. Widely used for checking compression on engine cylinder quickly and accurately.Features:3"(75mm) diameter gauge with dual color coded scale, can be quickly set to your motor or car, get accurate readings in valves, piston rings,cylinder bores or head gaskets.Air gauge with quick coupling & pressure release button, manometer with two test pressure: 0-300psi, 0-20bar.Drain valve with full copper nickel plating, anti-oxidation and corrosion.Included 4 adapters: M10*1.0mm / M12*1.25mm / M14*1.25mm / M18*1.5mm.M10 thread is suitable for motorcycles, and M12 / M14 / M18 threads are suitable for cars.Included 2 pipes: crank shaft type & transverse axis type, both with rubber cone cap and can test the compression on almost any engine.Specifications:Case Color: RedMaterial: CopperDual Gauge Readings: 0-300psi, 0-20bar (1bar=100kPa)Test Unit/Mode: bar, psiSpecial function: Get Accurate ReadingsPressure Gauge Diameter: 3" / 75mmPressure Gauge Height: 5.04" / 128mmAdapters Thread Size: M10 x 1.0mm, M12 x 1.25mm, M14 x 1.25mm, M18 x 1.5mmHose overall length: 17.72" / 450mmStraight Line Pressure Tube Length: 5.91" / 150mmAngled Pressure Tube Length: 6.30" / 160mmPackage Size: 29.5 * 21 * 5.5cm / 11.61 * 8.27 * 2.16inPackage Weight: Approx. 845g / 29.80ozPackage List:1 * Gasoline Compression Tester1 * Hose4 * Thread Adapters1 * Straight Line Pressure Pipe1 * Angled Pressure Pipe1 * Storage Case