Dampers 20 Percent Free Travel Material Steel Max Weight 180 lb Locking No Rod Dia 0.24 in Cylinder Dia 0.59 in Fitting Type Elbow Fitting Thread Size M5 Ball Diameter 0.31 in Stroke 2.95 in Extended Length 9.21 in Compressed Length 6.26 in Fixed Resistance No Adjustable Resistance Yes Damper Type Extension Only