Garage Door Extension Spring For 8'Ft. - 110 lbs White Quantity:Pair ca recommends that only a

ca recommends that only a qualified professional install or adjust torsion springs by carefully and properly following the manufacturer's instructions also using the proper specialized tools required

- 300/310/315/372/390 MHz compatible*

207 Wire Gauge

The worm gear is 1 1/8" OD

CAB1/8CB150

Garage Door Extension Spring For 8'Ft. - 110 lbs White Quantity:Pair ca recommends that only aGarage Door Extension Springs for 8' High Single Loop Professional high tensile steel, Rated 10,000 Cycles 27" relaxed; will stretch to 48" 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