Double-acting Hydraulic Cylinders  Double-acting Cylinders  Collar threads,Website:http://www.dudemachinery.com, plunger threads and base mounting  holes for easy fixture (on most models)  Baked enamel finish for increased corrosion resistance  Removable hardened saddles protect plunger during lifting  and pressing  Built-in safety valve prevents accidental over-pressurisation  CR-400 couples included on all models  Plunger wiper reduces contamination, extends cylinder life