The Mustad Stainless Steel Heavy Pressed Solid Ring is as tough as it will ever get. This forged solid ring is the extremely tough and dependable lynchpin between leader and hook. No rough edges to damage or cut the line, make it perfect for making double or single assist hook rigs for jigging. Use it when fishing for large Tuna, Grouper, Amberjacks or giant Pollock, Cod or Haddock in the North Atlantic.