Safety Material: The strainers are made of 304 stainless steel for a shiny, strong and durable surface. Waterproof, rust-proof and corrosion-resistant. Size: 6pcs M5 hook and eye screw fasteners. Adjustable from 122mm to 181mm/7.09inch by tightening, it adapts very well to your needs. Easy to Use: The heavy duty garden twine is easy to use and install, you just need to twist it to increase/decrease the tension, ideal for indoor and outdoor use. Wide Application: Suitable for tensioning metal cables and chains, such as. E.g. shading kits, safety ropes, tent ropes, clotheslines, photo exhibitions, etc.< /p> Note: The data is all measured manually, please allow 1-3cm error due to difference in light and display, there may be color difference, please refer to the actual item received.