Garage Door Extension Spring For 7'Ft.- 180 lbs Gold SHOP BY SPRING SIZE_234-1-3/4-31 and is easier to install

and is easier to install because you do not have to disassemble the output shaft assembly - the spur gear is already mounted on the new output shaft

3 x Lag Screws for secure bracket to wall

The torsion spring come in a white finish with a 0

Install Roller Chain on JR-ST or JR-RD (the roller chain has a connector link to split chain and reconnect

Works on most residential applications

Garage Door Extension Spring For 7'Ft.- 180 lbs Gold SHOP BY SPRING SIZE_234-1-3/4-31 and is easier to installGarage Door Extension Springs for 7' High Single Loop Professional high tensile steel, Rated 10,000 Cycles 25" relaxed; will stretch to 42" Note: These springs are for use on standard sectional doors only, The only way to get the proper extension spring is by door weight.. we recommend using a bathroom scale to weigh the door before ordering.. we cannot tell you what your door weighs from a description of the door