Cylinder made of steel, Base made of cast iron, Hydraulic oil, Ideal for mechanical workshops, vulcanizers, hydraulic press, etc. Capacity: 4 ton, Maximum Overload: 5.6 ton, Maximum Load Hold: 4.8 ton, Load For Descent: 25 Kg, Maximum Height: 38.5cm, Minimum Height: 19.5cm, Weight: 3.58Kg