High Quality - This 5\u2019 TRIANGLE sun shade sail installation kit is made of high quality 316 marine grade stainless steel. Grade 316 stainless steel is extremely strong and resistant to the elements. Hardware Kit Includes - shade sail accessories set includes:Turnbuckle( 5") x 2pcs, Pad eye x 3pcs, Snap Hook x 1pcs, Screw x 12pcs, Plastic expansion x 12pcs. Adjustable Turnbuckle- The sun shade sail kit has adjustable turnbuckle to create tension to make your sails get tight in installation. You can choose how far your sail shade is from the wall/ post/ point to which it is fixed, length from 5" to 7". Plastic Expansion- Our sail shade hardware kit has configured extra plastic expansion to fit screws. The screws works more firmly with plastic expansion rather than directly attached to the wall. Wide Application- 5\u2019 TRIANGLE sun shade sail hardware kit is great fit for installing TRIANGLE shade sail below 15 ㎡/161 sq.ft, such as 12'x12'x12', 16'x16'x16', 12'x12'x17' 316 Marine Grade Shade Sail Hardware Kit 5 inch for Triangle Sun Shade Sails Installation, 18 Pcs Best Quality - Our Shade Sail Hardware Kit is made from premium 304 stainless steel with maximum durability. It is corrosion resistant and suiabale for garden and yard use.Best Design - Our Shade Sail Hardware Kit contains extra plastic expansion to fit screws which are compatible with sharp so as to be more firmly rather than directly attached to the wall. Wide Application - Our Shade Sail Hardware Kit is suitable for triangle or rectangle sun shade sail installation. It is easy to use. You can install your shade sail between trees, walls or wherever you want.