Prime-Line GD 12192 120 lb., Green Tip, Sectional Garage Door Extension Spring Product Description Heavy-duty (10,000 cycles) extension springs have double loop ends for extra durability. 5 sizes will replace most all spring configurations on residential doors that are no higher than 7 Ft. 1/8 In. Galvanized carbon steel aircraft cable installs. From the Manufacturer Heavy-duty (10,000 cycles) extension springs have double loop ends for extra durability. 5 sizes will replace most all spring configurations on residential doors that are no higher than 7 Ft. 1/8 In. Galvanized carbon steel aircraft cable installs throug Features Found on a variety of 2 panel 4 section garage door Rated for 10,000 cycles Includes safety cable Green color tip 2 springs will lift a door weighing 120 lbs. maximum 25 in. length USA SHIPPING estimates delivery times and we work to get your item to you as quickly as possible and within those times, but please know it may take slightly longer than the estimate.