Prime-Line 18 in. L 150 lb Garage Door Torsion Spring

Most doors, in recent years have been supplied with torsion springs located directly above the door and mounted to the header. Replacement will require the use of 2 winding rods (GD-52238) and a clear understanding of wire size and handing. 1-3/4 in. inside diameter with .207 wire size Right hand wind Requires the use of 2 winding rods for replacement