Chamberlain 8 ft. Chain Drive Rail Extension Kit 7708CB-P

The Chain Drive Rail Extension Kit for 8 ft. High Garage Doors is required for reliable, everyday operation of Chamberlain chain drive models in 8 ft. garage door applications. 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.

• Proven quality: rigorous quality testing ensures lasting performance
• Product Dimensions: (D) 37.70 in. x (H) 1.00 in. x (W) 1.25 in.
• Additional assurance with 1-year warranty
• Chamberlain is the largest and most dependable garage door opener manufacturer in North America
• The Chamberlain 8 ft. Chain-Drive Extension Kit is compatible with all Chamberlain chain drive garage door openers (except heavy duty chain drive models C205 and C455)