This Standard Bobbin is an ultra-versatile tool that is essential for fly anglers. This bobbin features a ceramic thread tube and a small diameter barrel. In addition, It is equipped with a removable vinyl grip and a solid brass arm. The Rite Bobbin(R) Standard Bobbin has an click drag adjustment. FEATURES: Standard bobbin Ultra versatile Ceramic thread tube Small diameter barrel Removable vinyl grip Solid brass arm Click drag adjustment 1-9 oz. of thread tension