Gas Spring, Spring Locking, Material Steel, Force 80 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 M22, Stroke 5.91 in, Extended Length 15.94 in, Compressed Length 10.29 in, Fixed Resistance Yes, Adjustable Resistance No