• Pro way to get accurate compression reading for direct or indirect fuel injection diesel engines
• Includes 8 glowplug/injector adapters to fit import or domestic, large and small diesel engines
• Quick compression measurement from 0 - 1000 PSI (0 - 70 Bar) with engine running or cranking
• Compression release valve allows repeat tests without disconnecting
• 2-1/2" gauge with protective bumper, 18" hose, 90-degree elbow, extra seal & washer, custom-fit case

The professional's choice for taking the guesswork out of troubleshooting engine performance and maintenance issues. One-year warranty and Jack's Tool Shed worry-free Satisfaction Guarantee.