Wire Stringer - White, 5 pieces This tool is used to keep caught fish alive. Pass the wire through the gill cover and mouth, loop it, and secure it with a branch hanger, etc. Stainless steel wire 1.5mm Polyurethane tube, outer diameter 4mm *Branch hanger not included in the contents. This is a handmade item. There may be some slight variations. Please understand this before purchasing. For bottom fish, rock fish, and striped beakfish For blue-water fish and other lure fishing For freediving, spearfishing, etc.