[Specifications] An indispensable partner for safety ziplines. The 5.4-foot spring brake is suitable for reducing the impact force of the rope, such as steel cable slanting and cargo lifting. Excellent performance in stretching and rebounding. The size of the rubber is 7 x 4 x 4cm. [Extension Spring] The zipline spring brake with a 5.4-foot spring is longer than most other similar spring brakes on the market. It has a longer effective deceleration distance. The deceleration performance is better and smoother. [Flexible and Durable] The zipline spring brake is made of stainless steel, which has better tensile resistance than standard stainless steel of the same size, and is rust-resistant. After multiple forging processes and quality control, our zipline spring brake cables have a longer service life. [Special Silica Gel Buffer Plug] The star-shaped soft plug made of silica gel is flexible and will not damage other parts or break. Fine manufacturing process ensures that each product has excellent performance. The pitch of each spring is uniform, the texture is clear, and the high-quality craftsmanship ensures stable resilience. [Easy to Install] No tools are required; just pass the cable through the green star-shaped silicone plugs at both ends. Color: as shown Material: Stainless steel + rubber Size: total length 165cm, spring outer diameter 2.5cm Package Contents: 1 x spring 2 x silicone plugs Only the above package content is included; other products are not included. Note: Lighting and different displays may cause the color of the item in the picture to vary slightly from the real thing. Measurement allows an error of +/- 1-3cm.