Wire Stringer for Striped Beakfish (Isodai) This tool is used to keep caught fish alive. Pass the wire through the gill cover and mouth, looping it and securing it with a branch hanger, etc. Total length: approximately 46cm Stainless steel wire: 1.5mm Polyurethane tube: outer diameter 4mm Red, blue, yellow *Branch hanger is not included in the contents. This is a handmade item. There may be some variations. Please understand this before purchasing. For bottom fish, rock fish, Striped Beakfish (Isodai) For pelagic fish, other lure fishing For freediving, spearfishing, etc.