High-sensitivity tube float born in the Sanin area. Ideal for black porgy (chinu) and Japanese black porch (kurodai) fishing. Used item. Gure-Kichi, B, 3B Small paint chips on the top. The 3B marking likely has a buoyancy of only about 2B. Please understand that this is a used item, and only purchase if you are comfortable with that. Please refrain from purchasing if you are overly concerned about condition.