| 摘要 |
The present invention relates to an underwater bobber for fishing having a size indicating groove and a manufacturing method thereof. The underwater bobber for fishing includes: a disk part which extrudes in the center and has a predetermined thickness; and an insertion rod including a bodies, which independently extrude in both directions perpendicular to the disk part to be opposed to each other, and a taper part, formed on an end portion of the body. At least one size indicating groove is formed along an edge part of a portion of at least one of the bodies, which extrude to both sides. |
