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It is essential to select the right size springs to maintain the proper balance of your garage door
gate operators
Simply peel off the protective layer on the back and stick it to your desired position for a hassle-free setup
Adjustable- Use for doors 1" to 2" thick
Opener Square Rail Trolley Kit SHOP BY SPRING SIZE_250-1-3/4-33 It is essential to select41C5141 1 is a Square Rail Trolley Replacement Kit. For use with various LiftMaster and Chamberlain Chain Drive Garage Door Opener Rail Assemblies. The square rail trolley is used for travel on the garage door opener rail and connects the door arm to the chain drive mechanism. Check the owner's manual or replacement parts diagram for specific part information before ordering to ensure compatibility. Also known as: 062313, 41C5141, 41C51411
