Designed to detect a of common engine faults such as worn piston rings, cylinder head cracks, worn valves and blown head gaskets.It checks the amount of leakage in an engine cylinder and helps determine .Designed to check the amount of leakage in 4-stroke engines.Deal for testing trucks and car models where clearance is minimal.Fit for all local and cars and trucks.Size: 34*26*8cmSpark plug adapter: 12mm, 14mmGauge scale: 0-100PSIColor: red + blackMaterial: rubber + metalPackage Content: 1* Cylinder Leak Tester1* tube2* screw1* storage box1* manualOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.