Features: 1. All parts of the kit are of high quality and very stable. The material is robust and weather-resistant 2. The heavy-duty M6 complete kit is easy to use for most shade sails. You can hang your awning safely and easily with 3. With these awning tensioners you can perfectly tension your awning after the first assembly. Make the adjustment later as you wish. They are also very easy to remove 4. Tensioner: device for adjusting the tension or length of ropes, cables, tie rods and other tensioning systems. Carabiner: A metal loop with spring-loaded opening, used to quickly and reversibly connect components 5. Our square shade sail kit includes additional plastic extension pieces to accommodate the screws. The screws work more firmly compared to directly attaching to a wall Features: Material: 304 stainless steel Weight: 355g Contents : 2 M6 tensioners 2 carabiners 4 eyelets 16 screws 16 plastic extensions