These springs fit to the bottom of your sectional garage doors and take the slack out of the cable, ensuring continued smooth operation of your door. The spring portion of this device slides over the bottom roller shaft of the door, the hook end attaches around door cable maintaining a constant tension, preventing the cable from becoming loose and slipping off the drum. Also useful on doors with a bottom taper to keep uneven length cables taught. If you are looking to optimise the performance of your door opener, reduce wear & tear or enhance safety. Our cable keeper springs are must when maintaining your door. Made in New Zealand
