These thoughtfully designed park tool ph 1 p handled hex wrenches fit the task at hand as well as they fit in your hand the long shaft of each wrench is fitted with a bondhus balldriver for those hard to reach bolt heads the short end of the wrench is neatly chamfered and extends from the handle for use when fully tightening bolts in high torque applications shaft lengths are optimally selected to minimize the wind up and flex experienced with longer wrenches the hex wrenches are made from