[Specifications] An indispensable partner for safe ziplines. The 165cm long spring brake is suitable for reducing impact force at the end of the rope, such as inclined steel cables and load lifts. Excellent performance in stretching and rebounding. The size of the rubber head is 7 x 4 x 4 cm.[Extension Spring] The zipline spring brake with a 165cm long spring is longer than most other similar spring brakes on the market. Has a longer effective deceleration distance. The deceleration performance is better and simpler.[Flexible and Durable] The zipline spring brake is made of stainless steel, which has better tensile strength than stainless steel of the same size, is durable and does not rust. After several forging processes and strict quality control, our Zipline spring brake cables have a longer lifespan.[Special Silicone Buffer Plug] The star-shaped soft silicone plug is flexible and does not damage other parts or break. Mature and exquisite manufacturing process to ensure that each product has excellent performance. Each spring's pitch is uniform, the texture is clear, and the exquisite craftsmanship ensures stable elasticity.[Easy to Install] No tools required, just pass the cable through the green star-shaped silicone plugs at both ends.Color: as shownMaterial: Stainless steel + rubberSize: total length 165 cm, spring outer diameter 2.5 cmPackage contents:1 x spring2 x Silicone headOnly the above package content, other products are not included.Note: Light shooting 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 +/- 1-3 cm.