PROBLEM TO BE SOLVED: To provide a fishhook leader that is provided with a binding tool.SOLUTION: A fishhook leader with a binding tool includes: the binding tool comprising a body seat having a hook opening with an opposed annular hole and an external hook arm, and a leaf spring having a fixed end and a sliding end neighboring to the hook opening and having a passage with an adjustable width between the external hook arm and itself and the fishhook leader comprising a leader body with two ends connected in the annular hole and the fishhook of the binding tool, respectively, and the fishhook. The fishhook leader is connected to a three-way untwisting element of a fishing line by the binding tool, and a connection or a disconnection between the binding tool and the three-way untwisting element can be achieved by an inside pressing operation of the sliding end in the leaf spring of the binding tool.SELECTED DRAWING: Figure 2COPYRIGHT: (C)2016,JPO&INPIT【課題】結び器付き釣針鉤素を提供する。【解決手段】対向する環状穴と外鉤腕のある鉤口を有する本体シートと、固定端と、鉤口に隣向し、外鉤腕との間に幅が調整可能な通路を有する摺動端と、を有する板ばねと、を含む結び器と、2つの端部がそれぞれ結び器の環状穴及び釣針に結ぶ鉤素本体と、釣針と、を含む釣針鉤素と、を備える結び器付き釣針鉤素。釣針鉤素は、結び器によって道糸の3方向ヨリモドシに結合され、結び器の板ばねの摺動端の内方押圧操作によって結び器と3方向ヨリモドシとの結合又は離脱を達することができる。【選択図】図2