The elastic shock cords in your tent poles can give out at the most inconvenient times when it gets old, dried out and stretched one too many times. That is why you should always be prepared with the PatchJoy Shock Cord Repair Kit. The PatchJoy Shock Cord Repair Kit is for use with shock-corded fiberglass tent poles and contains 45ft of elastic shock-cording, 30in of installation wire and 6 washers for securing the shock-cord once it has been threaded into your fiberglass tent poles. Instructions on how to use your PatchJoy Shock Cord Repair Kit are listed on the back of the package.