Check the listing for details. Garage Door Conversion Kit EZ-SET Torsion Spring Mounting Brackets Tube Coupler. Condition: New. Listed at 232.46 USD. EZ-Set Torsion Conversion Kit for 8 ft. x 7 ft. Garage Doors 134 lbs. - 155 lbs.Converts your torsion spring system into an easier installationNot available for use on stock wind-load doorsOEM part What was once a job exclusively for trained garage door professionals, Clopay's EZ-SET Torsion Spring System makes torsion spring installation faster and easier for the do-it-yourselfer. This OEM spring replacement system eliminates the difficult and dangerous manual winding process. There is no need to locate and prepare the center mounting pad with this system. Garage Door Part/Accessory Type: Garage Door Conversion KitWeight Capacity (lbs.): 155Returnable: 90-DayGarage Door Size Compatibility: 8 ft x 7 ftManufacturer Warranty: n/aOutside Wire Diameter (in.): 1.8Inside Wire Diameter (in.): 1.3Wire Size (in.): 0.21Spring Length (in.): 38