Hollow plunger allows for both pull and push forces
Relief valves prevent damage in case of over-pressurization
Baked enamel finish for increased corrosion resistance
Collar threads enable easy fixturing (except RRH-1001 and RRH-1508)
Double-acting version for fast hydraulic retraction
Nickel-plated, floating center tube increases product life NPT 3/8 coupler and dust cap included on all models
Plunger wiper reduces contamination, extending cylinder life
