Durable Material-The Plain Shank Hooks are made with high carbon steel with a bronze coating, durable and corrosion resistant. Special Design-Special barbed designed to ensure that the hook point rolls in the corner of the fish's mouth and lowers fish mortality. Suitable For-Straight shank with in-line point allow these hooks to be removed relatively easily from the fish, great for catch and release. Application-Great for ‎Bass, Redfish, Trout, Walleye ect in the river, lake and sea, suitable for saltwater and freshwater. Bronze coating adds extra visibility under water The Dr.fish Plain Shank Hooks are made with high carbon steel with a bronze coating, durable and corrosion resistant, special barbed designed to ensure that the hook point rolls in the corner of the fish's mouth and lowers fish mortality, plain shank can be removed relatively easily from the fish, great for catch and release. Great for ‎Bass, Redfish, Trout, Walleye ect in the river, lake and sea, suitable for saltwater and freshwater.