Chamberlain, Chain Drive Rail Extension Kit For 10' High Garage Doors. Quick-installation of extension rails and replacement chain. Includes one-year warranty, rail extension, replacement belt, all necessary hardware and an instruction manual for easy set-up. Rigorous quality testing ensures lasting.
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Chamberlain, Chain Drive Rail Extension Kit For 10' High Garage Doors. Quick-installation of extension rails and replacement chain. Includes one-year warranty, rail extension, replacement belt, all necessary hardware and an instruction manual for easy set-up. Rigorous quality testing ensures lasting.
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