Features: Practical cylinder compression tester for petrol engines. Compact design. Cylinder compression tester from 0-20 bar or 0-300 psi. Comes with 2 pressure tubes with rubber nozzles. Measures the piston-pressure quick and easily, right underneath the spark-plug-thread. Suitable for petrol engine motorcycles and automotive vehicles. Comes with specially designed molded box for storage. Specifications: Material: metal + ABS Test unit: bar, PSI Manometer with two test pressure: 0 to 300 psi / 0-20 kg/cm 2 (max 21 bar) Thread sizes: M18x1.5, M14x1.25, M12x1.25, M10x1.0 Package size: 285 * 215 * 60mm / 11.22 * 8.46 * 2.36in Package weight: 900g / 1.98lb Note: Due to the different display screen and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Package List: 1 * Compression Tester 4 * Adapters 1 * Hose 2 * Pressure Tubes with Rubber Nozzles 1 * Carry Box