This is a set of 21 wedges for securing Ishidai pitons. The materials used are strong and hard oak and high-grade walnut. They are shaped to securely fix the piton. With various sizes, please use them according to the size of the hole. They are also useful for securing safety ropes and stringers. These materials are also environmentally friendly. Keywords: Ishidai (striped beakfish) Ishidai fishing Islands/Rocky shore Shore fishing Bottom fishing Bottom fishing Ishigakidai (a type of striped beakfish) Kuchijiro (a type of striped beakfish) Piton Haken (piton/stake) Stringer Safety rope