If you can boil water, you can professionally fletch and crest your arrows in seconds. Align the QuikFletch on the shaft and hold it in place. Dip the QuikFletch and shaft into boiling water, nock end first, then remove the shaft and you’re done. The wrap shrinks instantly to fit any size arrow shaft. Hot water activates a patented adhesive on the inside of the wrap, eliminating the use of messy glues or tape. Micro Grooves on the Twister vanes deliver a flatter trajectory, while rotating the vanes twice as fast as conventional vanes. Black tube Twister Vanes. Per 6. Colors: Fluorescent Orange, Fluorescent Green.