Hingue Damper Hinge Material Zinc Die-Cast Force 120 lb Torque 10 N-m Max Cycle Rate 30 per min Max Weight 7 700 lb Rod Thread Size M42x1.5 Locking No Rod Dia 12 mm Cylinder Dia 42 mm Stroke 50 mm Fixed Resistance Yes Adjustable Resistance No Damper Type Hinge Includes Cap