Designed for durability, the shade sail installation kit is made of high-quality stainless steel, which is rust and corrosion resistant. The solar sail attachment is very strong and weather resistant. Easy to install Triangular, square and rectangular parasail mounts can be hung , mounted between trees, or screwed to wood and brick, or anywhere you want, just screw into the pre-drilled holes , then installs in just a few minutes. The Awning Hardware Kit is easy to use and accommodates most types of shade sails, making it easy to set up your favorite retreat with this handy kit. Adjustable Turnbuckle Screws - With our turnbuckle screws you can adjust the tension of the shade sail which means you can create the perfect tension to keep the shade sail from sagging. Wide Application You can use this shade sail fixing kit to hang the shade sail in many , such as garden, backyard, patio, cafe, gazebo, deck or parking lot. Material: Stainless steel colour: Silver Package Contents: 4 x buckles 4 x double hooks 4 x frame buckles 16 x screws 16 x plastic plugs Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.