Heavy-Duty Shade Sail Hardware Kit - This 6-inch rectangular shade sail installation kit is made of high-quality 304 stainless steel, providing maximum corrosion resistance and increased durability. This triangular kit is extremely sturdy and weather-resistant. Its high load capacity ensures your sail is stable in the wind. It is suitable for windy areas or large installations, such as shade sails and awnings. Shade Sail Hardware Kit - 4 adjustable shade sail turnbuckles, 4 mounting eyes, 4 carabiners, 16 Phillips head helical screws, and 16 plastic extensions. The rectangular shade sail hardware kit contains 44 high-quality components. Adjustable and Durable Turnbuckle - The rectangular shade sail kit is equipped with an adjustable turnbuckle for Tighten the sail during installation. You can choose the distance between your sail and trees, walls, posts, or attachment points. Turnbuckle length: 20 cm, extended length: 28 cm to adjust the tension or length of ropes, cables, and ties.