The on both sides can hooks of different thickness to make the hooks sharper. Our Fishing Hooks Sharpening File Tool is designed with a round tip for easy handling and storage. With a hole for a lanyard to attach to rings or gear bags, making it convenient to hand during fishing trips The small and simple file is light weight, so you can put it in your bag and carry out. Keep yours hooks sharpest all times, neccessary in your fishing tackle boxes and pack. Use this portable file to make the hook more incisives.