ITEM NAME:Compression Tester Kit (8 Piece Set) Description: A complete test kit to check valves and rings, perform carbon build up inspection and test for late timing on a wide number of vehicles. Gauge with rubberized protector and dual color scale, tests up to 0-300 PSI and 0-20 kPa. Test from your own garage,quickly and accurately check compression on petrol engines. Blow mold case included for easy storage.Compatible with gasoline engines. Spark plug thread adapter sizes: M8 x 1.0, M10 x 1.0, M12 x 1.25, M14 x 1.25, M18 x 1.5 (adapters cover every 99% of all engines, domestic and imports) Specification: Material: Metal & Rubber Package Includes: Air gauge with quick coupling & release valve High-tension connecting pipe with safety lock coupling Crank shaft type test pipe with rubber plug. Transverse axis test pipe with rubber plug. M8 x 1.0 Adapter M10 x 1.0 Adapter M12 x 1.25 Adapter M14 x 1.25 Adapter M18 x 1.5 Adapter Note: The color may have different as the difference display, pls understand. Please allow 1-3mm error due to hand test. Enjoy your shopping timeï ¼ SKU: DMO0000239952030786.A complete test kit to check valves and rings, perform carbon build up inspection and test for late timing on a wide number of vehicles. Crank shaft type test pipe with rubber plug. High-tension connecting pipe with safety lock coupling.