Prime-Line K 5035 Door Spring, 13-1/2 in L, Steel, Zinc, For: Light Screen Doors to Heavy-Duty Storm Doors [SKU: ORG8378119]

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. [QTY/UOM: 1CD / 1CD]