Garage Door Extension Spring For 8'Ft.- 140 lbs Dark Blue Quantity:Single 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

Easy Installation: Simplify the process with our easy-to-install springs

2 x # 3 Hinges 18 Gauge

but these are the EXACT springs that will deliver a longer performance

Includes: 1 PCS of 41B36 sprocket

Garage Door Extension Spring For 8'Ft.- 140 lbs Dark Blue Quantity:Single 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