●Cylinder Compression Tester from 0-20 bar or 0-300 psi ●The Cylinder Compression Tester measures the piston pressure quick and easily, right underneath the spark plug thread ●Accurately check compression ●Suitable for petrol engine motorcycles and automotive vehicles ●Quickly and accurately check compression with this Automotive Compression Tester Kit. ●Compatible for use on petrol engines motorcycles and automotive vehicles. Diagnose and repair problems all in the convenience of your own garage. ●Kit comes in a specially designed molded case for easy and safe storage. Included are a variety of thread sizes to suit different nozzle attachments. ●Compact with easy to read gauge makes it an ideal accessory for the mechanically minded. ●Practical Cylinder Compression Tester for petrol engines