Compression Test Kit is a cut above the rest. This complete kit includes everything necessary for checking engine compression and diagnosing problems with valves, rings, carbon buildup and late timing. Includes a full range of accessories for testing most Domestic, European, Asian vehicles. Accuracy   +/- 1.6%
Adapters for most vehicles (M10, M12, M14, M18) 
2.5 in. gauge dual scale gauge measures 0-300 PSI / 0-2100 kPa 
Casing size: 368×235×80MM 
Weight:        1.5KG