Feature 1Practical Cylinder Compression Tester for petrol engines, can be quickly set to your bike/car, then you can get accurate readings in valves, piston rings, cylinder bores or head gaskets. 2Manometer with double graduation (0-300 psi, 0-21 kg/cm2) and with rubber protection to prevent scratches. 3Drain valve with full copper nickel plating, anti-oxidation and anti-corrosion. 4M10 adapter is suitable for motorcycles, M12 M14 M18 adapters are suitable for car. 5Supplied with a storage case for easy carrying and storing.Features: Practical Cylinder Compression Tester for petrol engines, 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 (0-300 psi, 0-21 kg/cm2) and with rubber protection to prevent scratches. Drain valve with full copper nickel plating, anti-oxidation and anti-corrosion. M10 adapter is suitable for motorcycles, M12 M14 M18 adapters are suitable for car. Supplied with a storage case for easy carrying and storing. Compact Design, easy to read gauge. Specifications : Condition: Brand New Item Type: Compression Tester Kit Thread sizes: M18x1.5, M14x1.25, M12x1.25, M10x1.0 Dimension: Approx.28.5*6.5*22.5cm Package List: 1 x Petrol Engine Compression Tester Kit