Shock Absorber Adjustable Multiple-Varying Orifice Material Steel Force 2.2 lb Max Cycle Rate 60 per min Max Weight 77 lb Rod Thread Size M14x1.5 Locking No Rod Dia 3.5 mm Cylinder Dia 14 mm Stroke 10 mm Extended Length 88 mm Fixed Resistance No Adjustable Resistance Yes Includes Adjustment Knob