Description This item is a collection of 4pcs clothesline tighteners, that are product of top class aluminium. metal construction for additional energy and stability. Suitable for tightening clothing lines, preventing clothesline from sagging, and regulating the elastic effect. Features - Color: As shown. - Material: Aluminium. - Size: 8 x 3.5 x 2.5cm. - Lightweight aluminum with spring and ball bearing rigidity for simple use. - operated tightener permits for personalized tautness of clothesline. - Can be used with fixed strains or pulley systems. - Compatible with most traditional clotheslines. - Warm Tip: Dear buyer, Due to lights effect, monitor's brightness, guide dimension and etc, there would be some slight variations in the color and size between the picture and the particular item. Sincerely hope that you could understand! Thank you!4 x tightener