Gas springs, also called struts, come in the form of standard and locking in a wide variety of sizes, extendtion forces, damping characteristics and hardware end fittings to attach to the application. This is accomplished by pressurizing the cynlinder with nitrogen to extend the rod and adding oil to provide the damping function. Gas springs are used to manage weight, and control motion providing injury, death and damage mitigation in many applications, such as hatches, doors, gangways, adjustable windows, lids, cabinet doors and other movable features of a structure, vessel, vehicle, or sub-components.