This hydraulic pressure test kit includes 5 gauges that enable dual-point testing and diagnostics. By connecting both the pump outlet and actuator end, it delivers real-time pressure comparison to quickly and accurately detect internal leaks or blockages in hydraulic systems. | Vevor | | Hydraulic Pressure Test Kit,150/900/2300/6000/9000 PSI (10/60/160/400/600 Bar),Hydraulic Gauge Kit 5 Gauges 20 Couplings | Black | Best Buy