Features . In Ground Pool Cover Reel System with Stainless Steel Frame for 4 ft Tubes. This easy to use reel system can make keeping your pool warm and clean a breeze. Features wheels on the bottom of one of the ends for easy positioning. Can accommodate 4 inch tubes. Easy to attach elastic straps. Turning wheel features rubber grips for comfort and traction. Frame is stainless steel Specifications . Size 21 in . Dimension 16 H x 21 W. Material Plastic Stainless Steel. Weight 11 lbs