Machinery Repair Jack Hydraulic Hollow Jack Cylinder 20T Hydraulic Ram Cylinder 2" Stroke Porta Power Ram Single Acting Lifting Cylinders For Machinery Shipbuilding Hollow Ram Hydraulic Cylinder [HOLLOW JACK]-- The hollow ram jack offers better stability and a lower risk of oil leakage compared to standard hydraulic jacks. 20 ton hydraulic porta power sets are ideal for jobs which require less than 20 tons of capacity. 20 ton porta power sets available for sale include a single-acting hydraulic jack (ram), two-speed pump, 6-foot hose, calibrated gauge and gauge adaptor [Safety First, Easy Handling]:Safety and simplicity are key features of the hydraulic hollow ram jack. 20 Ton RCH-2050 Hydraulic Jack 50mm Hollow Plunger Ram/Cylinder for Lift Applications Screw Jack Type [Wide Application]:The hollow jack is widely used in construction sites, petroleum, electric power, metallurgy, chemical industry, ships, bridges, steel and other industries for the installation and maintenance of large and medium-sized machinery and equipment. With a built-in safety valve to prevent overloading and a user-friendly design, it’s easy to operate confidently, even for non-professionals. QWORK 20T Mini Hydraulic Cylinder Jack Porta Power India | Ubuy DALUSHAN hydraulic jack can be used in a variety of complex working environments,Industrial, commercial, railroad, shipbuilding, bridge building, home decorate, routine maintenance. [IMPORTANT PARAMETERS]---Tonnage:20T |Stroke:2inch/50mm| Self height:8., 43inches/214mm | Outer diameter:3., 94inches/100mm | Internal diameter: 2., 95 inches/75mm | Through-hole diameter:1., 14inches/29mm | Weight: 16., 10lbs/7., 3kg The jack can be automatically retracted to help the user work efficiently.