Feature The hardware installation kit for triangle sun shade sail comes with everything you need to hang a shade sail. Made of stainless steel, durable use. The set is easy to operate and will accommodate most of the shade sail. Adjustable turnbuckle helps create tension. Everything you need to hang a triangular shade sail Makes installation much easier than do it yourself solutions. Desciption Type:Sun Sail Accessories Color: Silver Materials: stainless steel Quantity:4*Padeye+2*turnbuckle+2*snap hook+16 screws(1cm=10mm=0.39inch) Measurement details in the attached picture. Additional product information Turnbuckle - stretching screw or bottlescrew ~ is a device for adjusting the tension or length of ropes, cables, tie rods, and other tensioning systems. Carabiner - karabiner or snap hook ~ is a metal loop with a spring-loaded gate used to quickly and reversibly connect components. Padeye - is a flat metal plate with a projecting loop or ring, made all in one piece, providing an attachment point. It is secured by screwing, bolting, or welding it in place. Package included4x pad eyes2x turn buckles2x snap hooks16x mounting screws