Dampers, Both Directions, Material Steel, Max. Weight 405, Locking No, Rod Dia. 0.31 In., Cylinder Dia. 0.87 In., Fitting Type Elbow, Fitting Thread Size M8, Ball Diameter 0.39 In., Stroke 1.97 In., Extended Length 8.27 In., Compressed Length 6.30 In., Fixed Resistance No, Adjustable Resistance Yes, Damper Type Both Directions