This is a set of 21 wedges for securing Ishidai pitons. The material used is hard and strong Nara oak and high-grade walnut. They are shaped to securely fix the piton. Available in various sizes, please use the appropriate size for the hole. Also useful for securing safety ropes and stringers. Made of environmentally friendly materials. Keywords: Ishidai (striped beakfish) Ishidai fishing Iso (rocky shore) Isoduri (shore fishing) Sokomono (bottom fishing) Sokomono-zuri (bottom fishing) Ishigakidai (striped beakfish) Kuchijiro (large striped beakfish) Piton (fishing rod holder) Haken (piton, climbing) Stringer Charanbo (fish basket)