Marine Gas Spring Kit Standard Material Steel Force 10 lb Torque Not Applicable Max Weight 10 lb Rod Thread Size M5 Locking No Rod Dia 6 mm Cylinder Dia 15 mm Fitting Type Elbow Joint Fitting Thread Size M5 Ball Diameter 8 mm Pin Dia Not Applicable Stroke 50 mm Extended Length 172 mm Compressed Length 122 mm Fixed Resistance No Adjustable Resistance No Damper Type Extension only