P728L 28 in. Low-Tension Plug-End Extension Spring (0.177 in. No. 7 Wire), E900 Hardware, Mfr#: P728L

P728L 28 in. Low Tension Plug-End Extension Spring is a Holmes spring replacement for lighter one-piece garage doors as well as for toy haulers using lift springs. We recommend replacing all springs at the same time for balanced door lift and even wear. A c-hook is required for a single spring installation while a w-hook is required for a double spring installation – available separately. Perfect for DIY garage door repair.