The solar cover reel straps are suitable for solar pool covers with a width of 120 inches to 96 inches and a thickness of 0.31 inches to 0.63 inches (8 mm to 16 mm) The solar reel attachments set can meet your different needs for installing solar pool cover rollers to your existing wrap reel system. The pool strap kit is made of sturdy nylon materials and the straps and snap buckle kits can prevent UV and chlorine This nylon strap kit is only enough to buckle the plastic gasket on the edge of the pool cover and thread with other straps, which is suitable. A few large washers and a self-tapping screwdriver to drill into the end of the strap and brake the strap to properly fix the strap on the cover roller can avoid falling off due to strong wind Delivery quantity: 1 Set/24 pieces