Precision laser cut design with ergonomic cushioned TPR grip and 3/8` drive for use with torque wrenchesPedro`s Pro BB flat wrenches are made from 4mm thick, precision laser cut, heat-treated tool steel for maximum strength and lasting performanceBottom Bracket WrenchYellow/Black16-Notch44mm64602423/8`UPC/EAN/GTIN: 790983298722