Specifications SAFETY: An indispensable partner for ziplines. The 5.4ft spring brake is suitable for reducing impact forces at the end of the rope, such as steel cable tilting and cargo lifting. Excellent stretch and resilience properties. Rubber tip measures 7 x 4.5x 4.5 cm. Extended Spring: The Zipline spring brake with 5.4ft spring is longer than most other similar spring brakes on the market. It has a longer effective deceleration distance. Better and easier deceleration. Flexible and Durable: Zipline spring brakes are made of stainless steel, which has better tensile strength than stainless steel of the same size, durable and will not rust. Through multiple forging processes and strict quality control, our Zipline spring brake cables have a longer service life. Special Silicone Buffer Plug: The star-shaped soft plug made of silicone is flexible and will not damage other parts or break. The mature and exquisite manufacturing process ensures that each product has excellent performance. Each spring has uniform pitch, clear texture and exquisite workmanship to ensure stable rebound force. Easy Installation: No tools required, just pass the cable through the green star-shaped silicone plugs at both ends. Color: as picture shown Material: stainless steel + rubber Size: total length 165cm, Package contains: 1*spring + 2*silicone head Note:1. Please allow slight errors due to manual measurement. Please make sure you do not mind before bidding.2. Due to different monitors, the color may vary, please understand. Note:Hello, please pay attention to your shipping address when purchasing the product. If your receiving information (eg: name, street, house number, doorbell/email with no name, etc.) is incorrect, the order will not be delivered correctly.