Description： The 46PC Petrol & Diesel Engine Compression & Leakage Test Kit is a comprehensive toolset for diagnosing engine performance. It enables compression and leakage tests on both petrol and diesel vehicles, covering a wide range of modern engines. With sturdy dual - movement gauges for accurate readings, various adapters for different engine types, and a durable carrying case, it's ideal for precise engine diagnostics. Features： Dual Fuel Compatibility: Tests compression and leakage on both diesel and petrol vehicles. Accurate Measurement: Accurately measures cylinder compression levels with a - gauge leak - back tester that provides pressure and leak back percentages. .