Heavy Duty Sun Shade Sail Fixing Hardware: Made from top stainless steel, durable, rust-resistance, robust and safer. Practical sun shade sail kit : The heavy duty sun shade sail complete hardware kit is easy to use and pefect for most kind of shade sail to hang up your awning safely and easily. Perfect tension: The tension screws ensure optimal tension for your awning. Useful Awning Attachment Set: Once the wall brackets are attached to a stable wall, the corners of the awning can be clipped on with the carabiners. They are also very easy to remove. With the awning tighteners, you can perfectly tension the awning after initial assembly. Adjusting it later as you like. M5/M6/M8 Set: Includes 4 pad eyes, 4 carabiners, 4 tension screws and 16 screws and plastic plugsBe sure to distinguish between size).