The Vevor diesel injector tester is designed for checking injector opening pressure, leakage, chattering, spray pattern, and atomization on diesel injectors. It features a dual-scale pressure gauge with a measuring range up to 600 bar and 8000 PSI for accurate testing and adjustment. The unit is built with a cast-iron body, stainless pressure gauge, and a transparent oil cup for durability and visibility during use. It includes connection accessories, high-pressure pipes, and a Bosch filter to support setup and testing. This tester is suitable for diesel engine vehicles and tractors, excluding common rail diesel injectors.