Hydraulic Cylinder Jack 20 Tons 2' St Single Acting Hollow Ram 10000psi Yg-2050k Solid Construction Easy Lifting Quick Connecting Head Compact Structure Smooth Surface Versatile Usage Place Diameter of Main Shaft: 58 mm/2.3 inch,Capacity: 20 T/44000 LBS,Inner Diameter: 58 mm/2.3 inch,Ram stroke: 50 mm/2 inch,Outside Diameter: 98 mm/3.8 inch,Item Weight: 6.9 kg/15.2 lbs,Total Height: 152+12 mm/ 6 + 0.5 inch