1. [Stainless Steel] Stainless steel material, water-resistant, rain-proof and rust-proof.Easy to hang.Easy to use! 2. [Plastic expansion configuration] Our sail shade hardware kit is also configured with the plastic expansion to install the screws.It can help install triangular, square and rectangular sunshades on most sturdy structures like concrete, bricks, rafters, etc.or wherever you want.Compared to direct fixing to the wall, screws exert greater force through plastic expansion and give better results. 3. [Adjustable rotating buckle] The adjustable rotating buckle can create tension, suitable for tightening or loosening the solar sail.Make the hanging fabric more aesthetic and reduce sagging of the fabric.With the hook-shaped design at both ends, it can be quickly and easily disassembled in storms, etc. 4. [Easy to use tool kit] Easy to use, suitable for most shade cloths.Simple and humane design to help you install the shade 5. [Experience Versatility] Suitable for multiple four-corner shade sails, it is not only a good helper for your courtyard awnings to keep cool when you are on the go.