Hillman 0.243 in. Wire x 2 in. Inside Diameter x 32 in. L Torsion Spring in Right Wind (1 per Pack)

Torsion springs balance the garage door by applying torque to the shaft with drums at each end. Torsion springs unwind and wind as the door is opened and closed to comprise a balanced system for 7 ft. high doors. Package includes instructions, mounting hardware and warning and safety information.