3-3/4" ID Torsion Springs w/ Cones - Commercial, Heavy-Duty, High Cycle .207 Constructed from durable cast aluminum

Constructed from durable cast aluminum

High-Strength Lift Cables (Sized for 8' doors with low headroom)

these safety sensors provide an essential layer of protection

The durable finish helps prevent corrosion and keeps your garage door system looking professional while maintaining structural integrity

9V Battery can be used as a backup

3-3/4" ID Torsion Springs w/ Cones - Commercial, Heavy-Duty, High Cycle .207 Constructed from durable cast aluminum3 3 4" (3. 75" Inch) Inside Diameter Commercial Torsion Spring with installed Cones Commercial Torsion Spring with Cones Engineered for Heavy Doors, Continuous Operation & Long Service Life Designed for demanding commercial and industrial applications, this heavy duty torsion spring delivers smooth, reliable operation for large overhead doors in high traffic environments. Made from durable oil tempered steel, it is built to handle frequent daily