DescriptionThis item is a set of car truck gasoline pressure gauge, which can perform carbon build up inspection and test for late timing on a wide number of vehicles. The auge with rubberized protector and dual color scale, tests up to 0-300 PSI and 0-21kg/cm.Features- Color: As shown in pictures. - Material: Plastic, rubber, copper, alloy. - A complete test kit to check valves and rings, perform carbon build up inspection and test for late timing on a wide number of vehicles. - Gauge with rubberized protector and dual color scale. - Tests up to 0-300 PSI and 0-21kg/cm. - Compatible with gasoline engines. Spark plug thread adapter sizes: M10 * 1.0, M12 * 1.25, M14 * 1.25, M18 * 1.25.