The Cast Bronze Electric Dehorners from L&H Branding Irons is designed for searing the blood vessels after the horn is removed to prevent bleeding and infection. It is cast of extra hard aluminum bronze for lasting durability. Has an extra hot heating element. Preferred by veterinarians and made of extra hard metal for dehorning small calves and goats, 5/8" I.D. hole. Operates on 110 volts, AC or DC.