Gas Spring, Rigid Locking, Material Steel, Force 60 lb, Rod Thread Size MF10, Locking Yes, Rod Dia. 0.39 in, Cylinder Dia. 0.87 in, Fitting Type Elbow 1-Side, Fitting Thread Size M8, Stroke 15.75 in, Extended Length 44.69 in, Compressed Length 28.94 in, Fixed Resistance Yes, Adjustable Resistance No