RuggedMade 25 GPM Hydraulic Log Splitter Directional Control Valve, Auto Return Detent Lever Handle, 2750 PSI (3/4" Work Ports) Large hydraulic fluid flow capacity of up to 25 gallons per minute Maximum operating pressure of 2750 PSI with built-in relief valve preset to 2250 PSI All four ports measure 3/4" NPT (two work ports as well as the inlet / outlet ports) Features a fully adjustable automatic return detent valve Capable of being used on a wide range of log splitter models as well as many different tonnages