- Use with any 3/8" drive torque wrench to accurately torque pedals with 15mm wrench flats. - Precision laser cut and heat treated tool steel for strength and lasting performance. The Crowfoot Pedal Wrench converts any 3/8" drive torque wrench into a pedal wrench to allow accurate installation torque for pedals with 15mm wrench flats. A perfect add-on for our Grande Torque Wrench.