Park Tool Professional Pedal Wrench - PW-4 Designed for heavy shop use Two 15 millimeters wrench openings are oriented at 30 degree and 45 degree angles An oversized, asymmetrical head is made from Cro-Moly steel for superior strength and durability It is thin enough to access all wrench flats The handle is round and vinyl dipped so it wont dig into the hand like flat wrenches