Shock Absorber Adjustable Single-orifice Material Steel Force 3.3 lb Max Cycle Rate 60 per min Max Weight 110 lb Rod Thread Size M16x1.5 Locking No Rod Dia 5 mm Cylinder Dia 16 mm Pin Dia 6 mm Stroke 12 mm Extended Length 102 mm Compressed Length 90mm Fixed Resistance No Adjustable Resistance Yes Includes Adjustment Knob