Assorted reusable plastic box of rolling barrel fishing swivels with snap connector contains 200 pieces. The snap connectors make it easy to change out lures or try out new fishing approaches. They are made of stainless steel and feature corrosion, abrasion and shock resistant. The barrel swivel's rotating flexibility helps to prevent line twists during lure retrieval. These swivels are suitable for all types of fishing like saltwater and freshwater fishing, onshore and offshore fishing. Come in a palm sized plastic carrying case that fits nicely in the bottom of your tackle box or your pocket.