[Specifications] An indispensable partner Compatible with safe ziplines. The 165 cm long spring brake is suitable Compatible with reducing the impact force at the end of the rope, such as inclined steel cables and lifting of loads. Excellent performance in stretching and resetting. The size of the rubber head is 7 x 4 x 4 cm. [Compatible with extension spring] Zipline's spring brake with a 165 cm long 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 easier. [Flexible and durable] Zipline's 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 service life. [Special silica gel buffer plug] The star-shaped soft silica gel plug is flexible and will not damage other parts or break. Mature and exquisite production process Compatible with ensuring that each product has excellent performance. The pitch of each spring is uniform, the texture is clear, and the exquisite craftsmanship ensures stable elasticity. [Easy to install] No tools required, Compatible with just the cable through the green star-shaped silicone plugs at both ends. Color: as shown Material: Stainless steel + rubber Size: total length 165 cm, spring outer diameter 2.5 cm Compatible with package contents: 1 x spring 2 x silicone head Only the above Compatible with package contents, other products are not included. Note: Light and different displays may cause the color of the product in the picture to differ slightly from the real item. The allowed measurement unit is +/- 1-3 cm.