Description: Garage Door Torsion Spring 7-8 Feet High Door (283x2x37)
Cycles: All Springs rated for an above industry standard, minimum lifecycle of 16,000 cycles
Material: Fabricated with high carbon ASTM 229 Class II Oil-Tempered Wire.
Execution Factors: Spring Rate - Maximum deflection - Maximum load - Wind specifications
Cone Type: Springs come with winding and stationary cones installed and are stenciled and color coded for easy identification
IPPT: 65.72