Pedro's flat wrenches provide professional quality, precision fit wrenches required to properly install, remove, and adjust components. Pedro's bottom bracket flat wrenches are made from 4mm thick, precision laser cut, heat-treated tool steel for the ultimate in strength and lasting performance. Pedro's designed each flat wrench to fit perfectly protecting the component and ensuring simple and safe usage for the mechanic. Each wrench also features an ergonomic single-ended design with cushioned grip to provide maximum leverage & comfort. The new Pedro's Bottom Bracket Wrench, BSA30 12x46 features a 3/8" drive for use with torque wrenches. It fits 12-notch external bearing bottom bracket cups including SRAM DUB, Zipp Vuma, Race Face Cinch, Rotor BSA30, Hawk Racing BB3086, and more. Backed by Pedro's lifetime warranty. New design features improved spline geometry and 3/8" drive pocket for use with torque wrenches. Fits 12-notch X 46mm diameter external bearing bottom bracket cups. Designed to stand up to the harsh conditions of professional use. Precision laser cut design with ergonomic cushioned grip.