Check the listing for details. Small Engine Cylinder Compression Gauge Tester Kit Gas Diagnostic Tester Set. Condition: New. Listed at 18.99 USD. Features: This automotive compression tester works with most car models with gasoline engines. It comes with adapters and pipes in different size to fit different models. Widely used for checking compression on engine cylinder quickly and accurately. Copper nickel-plated drain valve, anti-oxidation, corrosion-resistant. Air gauge with quick coupling & pressure release button, manometer with two test pressure: 0-300psi, 0-20bar. Included 4 adapters: M10*1.0mm / M12*1.25mm / M14*1.25mm / M18*1.5mm. M10 adapter for motorcycles, M12 M14 M18 adapter for motor vehicles. Included 2 pipes: crank shaft type & transverse axis type, both with rubber cone cap and can test the compression on almost any engine. Easy-to-read instrument panel with dual units (0-300 psi, 0-21 kg/cm²). Acrylic glass gauge cover with anti-scratch coating and rubber protective cover for outstanding shock-absorption performance. Multi-size adapters (straight, curved, & male fittings) for compatibility with a wide range of vehicles. All components are protected in a ABS carry case for easy organization and transport. You can get accurate readings on the valve, piston ring, cylinder bore or head gasket. Specification: Specifications: Case Color: Red Material: Copper Dual Gauge Readings: 0-300psi, 0-20bar (1bar=100kPa) Test Unit/Mode: bar, psi Special function: Get Accurate Readings Adapters Thread Size: M10 x 1.0mm, M12 x 1.25mm, M14 x 1.25mm, M18 x 1.5mm Hose overall length: 17.32" / 440mm Straight Line Pressure Tube Length: 5.91" / 150mm Angled Pressure Tube Length: 6.30" / 160mm Package Content: 1 x Gasoline Compression Tester 1 x M18 x 1.5mm Adapter 1 x M14 x 1.25mm Adapter 1 x M12 x 1.25mm Adapter 1 x M10 x 1.0mm Adapter 1 x Angled Pressure Pipe 1 x Straight Line Pressure Pipe 1 x Hose 1 x Storage Case