DUSICHIN DUS-800 Excavator Hydraulic Pressure Test Kit, Hydraulic Tester, Pressure Test Guage Coupling 8000 PSI Maximum working pressure 9,000 PSI/600Bar/60MPa; 3 test hoses, 60 inch long 1 Pressure Gauge Diameter 63mm, 3625 PSI (250 Bar/25 MPa) 1 Pressure Gauge Diameter 63mm, 5800 PSI (400 Bar/40 MPa) 1 Pressure Gauge Diameter 63mm, 8700 PSI (600 Bar/60 MPa) 6 couplings M10*1, M141.5, G1/4, R1/4, UNF7/16-20, NPT1/4-18