Extension Spring, Overhead Garage Door, 28 - 285 lb

Includes one spring, 28 inches long, rated at 10,000 cycles. For use on 2 car wooden doors. Heavy duty extension spring with 1/8 inch galvanized carbon steel aircraft safety cable. 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.