Shock Absorber, Adjustable; Multiple-Varying Orifice, Material Steel, Force 18.7 lb, Max. Cycle Rate 10 per min, Max. Weight 7,716 lb, Rod Thread Size M42x1.5, Locking No, Rod Dia. 12 mm, Cylinder Dia. 42 mm, Stroke 50 mm, Extended Length 212.5 mm, Fixed Resistance No, Adjustable Resistance Yes, Includes Adjustment Knob