The Mustad Round Split Ring has a wide range of applications from heavy-duty sea fishing to finesse presentation of a small lure. The Mustad range covers everything. They are most commonly used to attach lures to the leader or hooks to a lure. Sometimes it can be necessary to replace the split rings on your lure, or your new lure does not come supplied with one. Adding a split ring to you live bait hook will give a much better natural bait action in the water. When choosing a split ring, always go for the smallest possible. This will give the best performance and presentation. For use in salt or freshwater. Nickel finish.