The park tool 14mm hex wrench is used for crank bolts of the campagnoloreg power torquetrade crankset and on freehub bodies from shimanoreg xtrreg and others park tool 14mm hex wrench features the hr 14 is an l shaped 14 mm hex wrench used for the removal of instant pick up shimano freehub bodies and some other freehubs suitable for xtr 970975 xt 770775 saint 810 dace 78507900 series freehub bodies the short shaft is 50 mm and the long shaft i