Prime Line GD 12191 Heavy Duty Extension Spring - 25 In L - 110 Lb, Steel

For use on sectional, overhead, wood doors 8'W x up to 6'6"H, 2 panel/4 section; or fiberglass doors 16'W x up to 7'H, 4 section. Use two 110lb springs for each 110lb door (1 on each side). Rated at 10,000 cycles. Includes safety cable, which protects against personal injury and property damage from broken springs. Color-coded and shrink-wrapped for selection ease. Polybagged.