Hydraulic Pruner Product Type Pruner Cutting Capacity 1 3/4 in Pressure Port 3/8 in NPTF Thread Return Port 3/8 IN NPTF Thread Minimum Operating Pressure 1 000 psi Maximum Operating Pressure 2 000 psi Minimum Flow Rate 4 gpm Maximum Flow Rate 6 gpm Tool Length 60 in Handle Material Aluminum Features 360 Degrees Swiveling Extension Hydraulic System Type Open Center Includes O-Ring Maximum Back Pressure 200 psi Maximum Oil Temperature 140 Degrees F Recommended Filtration 10 micron