Range of use: 150 feet (about 45 meters) long cable with sturdy winch, suitable for all kinds of round, oval and rectangular pools. It is only suitable for covering above ground pool cables in winter. Instructions: This winter pool cover cable and winch kit is used to secure the pool cover winter on top of the pool. There is a cable, you can pass the grommet on the cover, then pass both ends of the cable into the winch. Pull the cable all around the pool, wind it up and tighten the cable. Save energy and time: the winch adopts a butterfly crank. This smooth design makes it better and easier to tighten than conventional winches. This cable and winch will be a good companion for your swimming pool cover. Practical performance: our winter winch is a good helper, it can fix the cable well, so as to protect your swimming pool from dust or debris, prevent the cover from being affected by strong wind, and let you enjoy swimming at any time. Stainless Steel Material: Our winch is suitable for pool cover at all times. ground. The cable is made of durable metal and will not rust. The cable is made of 6 coils of steel wire, and the outer layer is coated with hot melt glue to make the cable stronger. Whatever the pool cover winch or the cable, it will not rust due to rain or snow and has a long service life.