Description: Made of high quality 316 marine grade stainless steel, extremely strong and resistant to the elements. The hardware installation kit comes with everything you need to hang a shade sail. Hardware kits are recommended to install a shade sail to any structure, tree or pole. Adjustable design used to quickly and reversibly connect components. Easy to install and convenient to use. Specification: Material:316 Stainless Steel Diameter of Spire Solid Core Slide Cap: 25mm/0.98inch Self Locking: 69x25x20mm/2.72x0.98x0.79inch Length of Shade Sail Hardware:185mm/7.28inch Package Includes: One Set of Shade Sail Hardware