The Callicrate Bander is one of the most humane and effective bloodless castration tools on the market. It is recommended by veterinarians, animal handling specialists and cattle producers. The Callicrate SMART Bander may be used for delayed castration (300 lbs. to full grown) and horn removal on cattle, goats, and sheep. The same tool and loop is used for both castration and horn removal. Use with Smart Bander Loops.