This hydraulic pressure test kit includes two digital 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 | | Digital Hydraulic Pressure Test Coupling Kit, 10000 PSI Pressure Gauge Manometer Tester with 2 Gauges, 9 Test Couplings | Silver | Best Buy