Taylor garage door parts used on Taylor doors; for 2 car metal doors. 
Includes one garage door spring, 29 inches long, double loop ends for added security.
Heavy duty extension spring with 1/8 inch galvanized carbon steel aircraft safety cable.
Garage Door Extension Springs rated at 10,000 cycles..

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.