Park tool pedal wrench pro pw4the new professional pedal wrench is designed for heavy shop use two 15mm wrench openings are oriented at 30 degree and 45 degree angles so the user can always achieve the best mechanical advantage regardless of the pedal position an oversized asymmetrical head is made from investment cast cro moly steel for superior strength and durability while strong the pw 4 is thin enough to access all wrench flats an extra long 14 handle provides the leverage to remove