Park Tool TWB-15 Crow's Foot Bicycle Pedal Wrench use with 3/8" Drive Description Park Tool TWB-15 Crow's Foot Bicycle Pedal Wrench use with 3/8" Drive Compatibility: For use with 3/8" drive wrench Included: Crowfoot Pedal Adaptor Product Info: Park Tool TWB-15 Crowfoot Adaptor. The TWB-15 is used with any 3/8” drive torque wrench to verify pedals are torqued to the correct spec. Laser cut, heat treated and plated for long life.