FISHING SINKER MADE UP OF NATURAL STONE AND SCREW EYE

摘要

PURPOSE: A bob using a natural stone is provided, which enables digging of a screw groove in the natural stone. CONSTITUTION: A bob using a natural stone comprises: a natural stone(20) which has a screw groove; and in which a screw groove for bonding with a bolt is formed; and a bolt(30) having a loop and a screw groove. The screw groove is formed in the size and direction corresponding to the screw groove of the bolt. The bolt comprises a screw groove and a loop. The screw groove of the bob is formed in the size and direction corresponding to the screw groove of the natural stone.