Smith's Caprella 5-n-1 fishing line multi-tool are designed to be used in both saltwater and freshwater without rusting. The ergonomic, lightweight, and spring-loaded design makes them perfect for those situations when your hands are tired. Spring load design, make them easy to operate with one hand. In addition to the lightweight design, the handles are equipped with a built in carabineer for quick connections to your belt or loop so you can have it handy at all times. The line scissors will cut mono, braided line or fluorocarbon. Stored in the handles is a line pick and knife .