The non-corrosive polypropylene plastic and extruded aluminum tubing makes the deluxe solar reel a very strong option for handling the solar cover on your above ground pool. Make taking your pool cover off an easy and organized process. Note: This reel is not recommended for use with an oversized cover 16 millimeter thick or thicker. the tube will not be able to handle the weight of the heavier covers. Features: UV Resistant