This kit will allow you to repair and/or replace the tuneable tip on Firestik II antenna or Firefly antenna. The parts in this kit will repair everything above the copper tip of the antenna. If the tip has been damaged or removed, it cannot be repaired. The TTK2 is for Firefly antennas. Included in the kit:.25"x 20 1.25" brass tuning screw. Brass jam nut. Rubber o-ring. New plastic cap.