Auto Engine Oil Pressure Tester Car Oil Pressure Tester Digital Gauge 0-426 PSI
1x AUTOOL PT620 Oil Pressure Tester. Why AUTOOL PT620 Oil Pressure Gauge？. Pressure Units. Base on the last step,press, the[. 0~29.4bar. ] button again, the device will display data,interface, sound & backlight and it is unlocked.