Replace a worn or broken garage door right wound torsion spring with a matching replacement spring from Garage Door Supply Company. This .250 in. by 2 in. by 33.5 in. right wound garage door torsion spring is a heavy-duty spring mounted to a metal rod that helps open and close your garage door when operated with pulleys and cable. Please make sure this is the exact size of the torsion spring you want to replace.