The Nash Plastic Swivel Bait Screw is a handy tool for quickly changing hook baits while fishing. Each package contains 10 bait screws with a size of 13mm. These bait screws are made of plastic and are suitable for a variety of hook baits, including boilies, pellets and other baits. They feature a micro ring swivel, allowing you to easily attach them to your hook and hooklink. This makes them ideal for situations where you want to quickly change hook baits to adapt your approach to changing conditions while fishing.