K 5035 is a zinc-plated steel spring that offers positive tension adjustment for most storm and screen doors. All you have to do is turn the adjusting spring in or out of main spring to change the tension for a light or heavy door.
Zinc plated steel spring offers positive tension adjustment for most storm and screen doors
Zinc plated steel spring offers positive tension adjustment for most storm and screen doors
Turn adjusting spring in or out of main spring to change tension for light or heavy doors