【Versatile Application】: This 30-meter steel wire and five tensioner set is suitable for various shapes of above-ground swimming pools, such as round, oval, and rectangular pools. It is also suitable for securing other large outdoor items like car covers, tents, and clotheslines. 【Easy to Use】: The pool cover wire and winch kit is easy to install. Simply thread the cable through the holes in the pool cover, pass both ends of the cable through the winch, then rotate the pool cover winch to tighten the cable and secure your pool cover. 【Material】: Made from sturdy aluminum alloy that ensures longevity and robustness. 【Product Dimensions】: Each winch measures 8 cm x 2 cm x 6.4 cm, which is compact yet effective in maintaining a tight grip on your covers. 【Package Includes】: 1 x 30-meter steel wire, 5 x winch. Size Chart: Winch: 8 cm x 2 cm x 6.4 cm (3.15 x 0.79 x 2.52 inches), Cable: 30 meters (98.4 feet). Note: Please allow slight differences of 1–2 cm due to manual measurement.