Item Name: Compression Tester Gauge Car Gasoline Engine Compression Tester Diagnostic Tool. Checking compression on petrol engine quickly and accurately.Material:Metal+PlasticFits 14mm and 18mm spark plug threadsHose Length:11 inchEquipped with air hold valve and gauge reset buttonCheck cylinder compression from 0 PSI to 300 PSI. (0 to 21kg/cm2)Size:as the pictureFeatures: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.
