ECO-BEST Super Heavy Duty Square Shade Sail Hardware Kit 8pcs with Stainless Steel Screws For Installation Hardware kit for rectangle and square sun shade sail, everything you need to hang a shade sail High grade 18/10 steel made Suit For Square Shade Sail Stainless steel Screws/Bolts included Includes: Turnbuckle x2pcs, Diamond Pad eye x 4pcs, Carbineer/hook x 2pc