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Screw Drive Rail Extension Kit

Sears Craftsman LiftMaster Chamberlain Screw Drive Rail Extension Kit
$34.00
Availability: Unavailable
This item is currently out of stock!

The item is discontinued and is no longer available.

For 8' high garage doors

Allows door to fully open

Includes complete, illustrated instructions for easy installation

Includes extension rail, mounting brackets and necessary hardware


Quickspecs


Frequency: 390
Programming: Learn Button
Includes: Visor clip, battery, operating manual
Also known as: GRV390
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