Keep Your Clothesline Secure Sagging clothesline? Tighten it easily with this clothesline ratchet tensioner. With a simple twist, it will provide the tension needed for an effective drying space - useful for tightening pool and boat covers, tarps and wire fences, too! Quick setup and easy to use: Simply feed the line through the mechanism, pull to desired tension and tighten ratchet. Spring loaded for extra strength. Adjustable for light or heavier loads. Compact design. Cast aluminum. 2-3/4"W x 3"L. Imported.