Application: perfect for mounting a standard sun sail if you want to have shade on your porch, which also can be used in outdoor, patio, garden to protect against the sun's harmful rays. | Quantity: the shade sail hardware kit includes Turnbuckle (2pcs), Pad eye (3pcs), Carabineer/hook (1pc), Screws (12pcs). | Warm Tips: this sun shade sail hardware kit is specially fit for installing TRIANGLE shade sail, please pay attention to it and be careful when you choose which to buy. | Adjustable Turnbuckle: help create tension to make your sails get tight in installation, which can make your shade sails stable, you can choose how far your sail shade is from the wall/ porch/wood to which it is fixed. | Durable Material: made of high quality 304 marine grade stainless steel, which is extremely strong and heavy-duty, it's safe to use them to mount shade on the porch or for outdoor use.