Shock Absorber, Adjustable; Multiple-Varying Orifice, Material Steel, Force 16.4 lb, Max. Cycle Rate 60 per min, Max. Weight 772 lb, Rod Thread Size M25x1.5, Locking No, Rod Dia. 8 mm, Cylinder Dia. 25 mm, Stroke 40 mm, Extended Length 200.5 mm, Fixed Resistance No, Adjustable Resistance Yes, Includes Adjustment Knob