A versatile and innovative tool designed for diesel injection specialists, the Marbed® 9148-B simplifies the connection and disconnection of hydraulic nuts during testing operations. Featuring a quick-release mechanism, it eliminates the need for spanners, ensures leak-free dynamic pressurization, and accommodates both M12x1.5 and M14x1.5 threads. Its ergonomic handle and durable design make it an essential companion for repetitive tasks.