SHADE SAIL HARDWARE KIT(SQUARE) by California. $30.19. HARDWARE KIT. hardware. hardware kit for shade sail (shade sail not included). Square and Rectangle Shade Sail Hardware Kit. Use the high quality steel turnbukles, eyepad and carabiner to safely secure your shade sail to a variety of anchor points. The square and rectangle hardware kit includes 2 turnbuckles, 2 carbiners and 4 eyepads. ?Made from High Quality 316 Stainless Steel ?Everything you need to han...