(No-Bull Enterprises) Callicrate Bander is the Castration banding tool for any size bull (300 lbs - 3,000 lbs). Callicrate Bander applies solid latex band around the scrotum for reliable results. Aluminum clip secures band to eliminate slippage. Rubber loops load quickly. Spring loaded indicator senses proper tightness. Scrotum should fall off in 20 to 35 days. Vaccinate with tetanus toxoid according to label directions. Callicrate Bander kit comes with 5 loops, cutter, and carrying case.