[Specifications] An indispensable partner for safety ziplines. The 5.4-foot spring brake is suitable for lowering the impact pressure on the end of the rope, such as steel cable slanting and load lifting. Excellent functionality in stretching and rebounding. The size of the rubber head is 7 x 4 x 4cm. [Extension Spring] The Zipline spring brake with a 5.4-foot spring is longer than maximum different similar spring brakes on the market. Has a longer tremendous deceleration distance. The deceleration performance is healthier and easier. [Flexible and durable] The zipline spring brake is manufactured from stainless steel, which has larger tensile resistance than chrome steel of a similar size, is sturdy and won't rust. After multiple forging processes and strict quality control, our Zipline spring brake cables have a longer provider life. [Special silica gel buffer plug] The star-shaped gentle plug fabricated from silica gel is versatile and won't harm other parts or break. Mature and exquisite manufacturing activity to ensure that every single product has very best performance. The pitch of each spring is uniform, the feel is clear, and the exquisite craftsmanship ensures secure resilience. [Easy to install] No tools are required, simply cross the cable in the course of the green star-shaped silicone plugs at either ends. Colour: as proven Material: Stainless steel + rubber Size: whole length 165cm, spring outer diameter 2.5cm Package Contents: 1 x spring 2 x Silicone head Only the above kit content, different merchandise are usually not included. Note: Light shooting and assorted displays may cause the color of the thing in the photo a little bit various from the genuine thing. The size allowed error is +/- 1-3cm.