7708CB-P Chamberlain Garage Door Chain Drive Rail Extension Kit
The Chain Drive Rail Extension Kit is required for reliable, everyday operation of Chamberlain chain drive models. Featuring a quick-install extension rail and replacement chain, the kit includes everything needed for quick and easy installation. Includes one-year warranty, rail extension, replacement chain, all necessary hardware and an instruction manual for easy setup.
No. 7708CB-P: Type: Chain, Size: 8', Pkg Qty: 1, Package Type: Box
No. 7710CB-P: Type: Chain, Size: 10', Pkg Qty: 1, Package Type: Box