The Minnesota Trapline Crunch Proof Swivels are the ultimate in durability and smooth operation for trappers. Originally crafted for MB-650 Coyote and Bobcat traps, these swivels are now available separately due to high customer demand. Built with a robust .105-inch thick swivel body and tempered #6 J-hooks, they are designed to withstand the strength of large predators, including wolves, bears, and mountain lions. These swivels are engineered to prevent freeze-ups caused by animals closing the swivel body, ensuring reliable performance in all trapping scenarios. Made in the USA, they are the ideal choice for trappers handling North America's toughest wildlife.