Item Name: Gas Engine Cylinder Car Gasoline Engine Compression Tester Diagnostic Tool. Size:as the pictureCheck cylinder compression from 0 PSI to 300 PSI. (0 to 21kg/cm2)Material:Metal+PlasticEquipped with air hold valve and gauge reset buttonChecking compression on petrol engine quickly and accurately.Hose Length:11 inchFits 14mm and 18mm spark plug threadsFeatures:1. The tester is made of durable copper and steel materials, which can be used for a long time and is not easily deformed after repeated use.2. Checking compression on petrol engine quickly and accurately.3. Easy pressure release button on side of tester. Manual pressure release for maintaining peak readings.4. Professional-grade threaded adapters for leak-proof seals. 5. Extended hoses for hard-to-reach applications.6. Large, easy-to-read 6.9cm/2.71inch diameter gauge. Package Includes:1x Engine Compression Tester Gauge Note:1.Please allow 1-2cm error due to manual measurement.
