The park tool adjusting cap tool removes and installs crank caps on shimanoreg hollowtech iireg cranks includes built in hook to lift the safety plate speeding crank removal steel investment cast body provides good leverage and includes an option to use with an 8mm hex wrench for removing seized caps park tool adjusting cap tool features a workshop quality tool for installing removing and adjusting the end caps on shimano hollowtech ii cranks investment cast steel cons