Shock Absorber Adjustable Multiple-orifice Material Steel Force 2.2 lb Max Cycle Rate 60 per min Max Weight 9.9 lb Rod Thread Size M14x1.5 Locking No Rod Dia 3.5 mm Cylinder Dia 14 mm Pin Dia 3.5 mm Stroke 10 mm Extended Length 80 mm Compressed Length 70mm Fixed Resistance No Adjustable Resistance Yes Includes Adjustment Knob