Features 1、EASY TO USE: This compression cylinder pressure gauge can be set up quickly on your car and then you can get an accurate reading on the valve, piston ring, cylinder hole or cylinder head 2、CORROSION RESISTANT MATERIALS: Gauges have dual scales (0 to 300 psi, 0 to 21 kg/cm²) and come with rubber protection, with a full copper nickel coating and rayon drain valve resistant to oxidation and corrosion 3、4 ADAPTERS: Pressure gauge with adapter, M10 for motorcycles, M12 M14 M18 for cars, very convenient 4、WITH BOX: Pressure gauge come with plastic storage box, realize convenient storage, easy for you to use 5、EXCELLENT PERFORMANCE: Pressure gauge is made with fine workmanship, possess compact appearance and stable performance, can make sure durability and stability Specification Item Type: Cylinder Pressure Gauge Size: Approx. 27.5 x 20 x 5cm / 10.8 x 7.9 x 2in(a box) Straight Line Pressure Tube Length: Approx. 150mm / 5.91in Angle Pressure Tube Length: Approx. 160mm / 6.3in Hose Length: Approx. 430mm / 16.93in Package List 1 x Pressure Gauge(with 0-21 bar and 0-300psi rubber protection) 1 x 150mm Straight Line Pressure Tube 1 x 160mm Angle Pressure Tube 1 x Hose 1 x Adapter M10 X 1.0cm 1 x Adapter M12 X 1.25cm 1 x Adapter M14 X 1.25cm 1 x Adapter M18 X 1.5cm 1 x Plastic Box 1 x User Manual