Extension springs | Garaga
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Extension springs


Counterbalanced springs which provide lifting power by stretching. Also called stretch springs. Extension springs are mounted to the rear track hangers on each side of the garage. They are attached to a pulley at the other end of the spring.

PK Garage Door Co. LLC
Derry NH 03038 | Phone (603) 432-0114


Area served: Londonderry, Manchester, Windham, Southern New Hampshire and Northeast Massachusetts.

Business hours: Monday to Friday from 8 AM to 5 PM.


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