The ZOOK Tether 3.0 comes as a complete kit and can be used using your own prusik or Kong Duck. It can be used as a Tether, Bridge or Lineman's rope. Now comes with 6mm prusik and Aluminum carabiner. The ZOOK Tether 3.0 is a safety rope that works well with climbers, and with saddle hunting. Tether 3.0 is the lightest tether we make and is perfect for mobile hunters looking for a light setup. A safety knot must be added to the end of the line for a safety stop. The ZOOK Tether is a great choice for temporary and mobile hunting setups. Our tether finished length is Minimum 8 feet long from end-to-end and works well with almost any size tree. Our Tether 3.0 has a 9″ sewn eye. The ZOOK Tether 3.0 has a sewn eye and is rated for a 350lb hunter.