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: Black Material: Copper Dual Gauge Readings: 0-300psi, 0-20bar (1bar=100kPa) Test Unit/Mode: bar, psi Special function: Get Accurate Readings Pressure Gauge Diameter: 3" / 75mm Pressure Gauge Height: 5.04" / 128mm Adapters Thread Size: M10 x 1.0mm, M12 x 1.25mm, M14 x 1.25mm, M18 x 1.5mm Hose overall length: 17.72" / 450mm Straight Line Pressure Tube Length: 5.91" / 150mm Angled Pressure Tube Length: 6.30" / 160mm Package Size: 29.5 * 21 * 5.5cm / 11.61 * 8.27 * 2.16in Package Weight: Approx. 845g / 29.80oz Package List: 1 * Gasoline Compression Tester 1 * Hose 4 * Thread Adapters 1 * Straight Line Pressure Pipe 1 * Angled Pressure Pipe 1 * Storage Case