This comprehensive test kit is designed for both direct and indirect diesel injected car. It is suitable for most diesel fuelled trucks, cars and tractors. This kit set can check engine compression under cranking conditions. The small profile quick coupling adapters ensures speed and security. The built-in pressure relief valve enables repeat test without dismantling and the flexible hose gives access to restricted plug and injector ports. The easy-to-read large dual scale (psi/bar) gauge ranges from 0 -1000 psi and 0 - 70 bar. In addition, blow mold case is included for easy storage and transport. It is easy operate and use with detailed manual included.