|14mm (rod). 650mm (Overall length). Requires: 630mm (Hole centres). 2100 Newtons. Ball joint ends. Supplied with a protection sleeve Self-contained, maintenance free units. A hydro-pneumatic ram is charged under pressure with an inert gas giving the characteristics of a compression spring which, coupled with a small change in force as it extends, provides a controlled rate of movement. Ideal for half style ramps. 0.98kg.