The LiftMaster G3710CH 10‑Foot Chain Drive Rail Assembly is a one-piece rail engineered for use with compatible LiftMaster and Chamberlain chain drive garage door openers, providing smooth and reliable operation for 10 ft (3 m) doors.

• One-piece 10 ft chain drive rail assembly suitable for residential garage doors up to 10 ft tall

• Delivers stable, dependable operation with compatible LiftMaster and Chamberlain chain drive openers

• Also known by alternate part numbers: MRE3710CH, MR3710CHC, MR3710CH, 012381137107, 3710CHC, 3710PL, 3710CH

• Compatible with LiftMaster opener models 87802 and 8587W

• For more information visit Manufacturer's Website