General description Made of high-quality stainless steel 304, these M8 hook tensioners are waterproof, rust-resistant, and corrosion-resistant. They are ideal for tightening ropes and regulating elastic effects, making them suitable for various applications such as steel wire, antennas, clotheslines, chains, and other ropes. Perfect for both indoor and outdoor use. Technical specifications Material: Stainless steel 304 Weight: 210g Free travel distance: 43mm Other information The color of the item may vary slightly due to photography and your computer settings.