This compression tester can be quickly set to your bike / car, then you can get accurate readings in valves, piston rings, cylinder bores or head gaskets. Manometer with double graduation ( 0 to 300 psi, 0- 21 kg / cm 2 ) and with rubber protection to prevent scratches. Drain valve with full copper nickel plating, anti -oxidation and corrosion. 4 Adapters: M10x1.0mm, M12x1.25mm, M14x1.25mm, M18X1.5mm. M12, M14, M18 adapters are suitable for car. M10 adapter is suitable for motorcycles. Pressure gauge with rubber protection. Angled pressure tube length: 160mm. Pressure gauge Diameter: 75mm. Test pressure: max 21 bar / 300 psi. Pressure tube length: 150mm. Hose Overall length: 430mm. Case Size: 265 x 210 x 65mm.