1Can be used to tighten taut rope, and regulate the elastic effect. 2Smooth surface, strong construction, rust-proof and corrosion resistant. 3Made of heavy duty 304 stainless steel, sturdy and durable, long time to use. 4All of our products are strict tested to ensure the best quality, more safer to use. 5Easy to install, no drilling or welding required. Direct replacement for the old or broken one. Features: Can be used to tighten taut rope, and regulate the elastic effect. Smooth surface, strong construction, rust-proof and corrosion resistant. Made of heavy duty 304 stainless steel, sturdy and durable, long time to use. All of our products are strict tested to ensure the best quality, more safer to use. Easy to install, no drilling or welding required. Direct replacement for the old or broken one. Specification: Condition: 100% New Material: stainless steel Color: as picture shown Size options: M4, M5, M6, M8, M10, M12, M16, M20 Size A(mm) B(mm) C(mm) L(mm) WLL(kg) M4 8 7 58 104 25 M5 9 8 73 118 40 M6 10 9 90 145 100 M8 14 13 120 187 200 M10 16 15 150 234 300 M12 18 15 200 303 500 M16 21 20 247 375 800 M20 25 22 297 442 1200 Package List: 1 * Hook and Eye Turnbuckle