Includes one spring, 25 inches long, rated at 10,000 cycles.
wood doors 10 feet wide and up to 7 foot high with 4 panels that have 4 sections
fiberglass door 16 feet wide and up to 7 feet tall with 8 panels that have 4 sections.
Heavy duty extension spring with 1/8 inch galvanized carbon steel aircraft safety cable.
Safety cables protect against personal injury and property damage from broken springs.
It is always advisable to replace all door springs, even though only one may have broken.
Extension springs have double loop ends for added security.

NOTE 1: Safety cables protect against personal injury and property damage from broken springs.
Please always install safety cables with all springs
NOTE 2:
It is always advisable to replace all door springs, even though only one may have broken.