The Callicrate PRO Bander Kit is a high quality tool from No Bull used for humane non-surgical castration. It works well on any size bull (300 lbs – 3000 lbs). The PRO Bander is lighter weight and easier to use than the previous Callicrate bander. Kit includes: bander, storage case, 5 loops, and cutter. High Tech-Built to Last-Callicrate Tough! Use only with 324-502 Pro-bands (green).