New design features improved spline geometry and 3/8` drive pocket for use with torque wrenchesFits 12-notch X 46mm diameter external bearing bottom bracket cupsDesigned to stand up to the harsh conditions of professional usePrecision laser cut design with ergonomic cushioned gripFits 12-notch external bearing bottom bracket cups including SRAM DUB, Zipp Vuma, Race Face Cinch, Rotor BSA30, Hawk Racing BB3086, and moreBottom Bracket WrenchBlack/Yellow12-notch46mm64602953/8`UPC/EAN/GTIN: 790983297213