Park tool twb 15crowfoot pedal wrenchthe twb 15 is used with any 38 drive torque wrench to verify pedals are torqued to the correct spec it is laser cut heat treated and plated for long life it fits 15mm wrench flats on the pedals and is5mm thick features fits with any 38 drive torque wrench 15mm wrench 5mm thick laser cut and heat treatedbuypark tool workshopfrom chain reaction cycles the worlds largest online bike store