Most headset wrenches are too thin to use on the top locknut of headsets, particularly aluminum locknuts which can be marred and rounded off very easily. The HW-2 Professional Headset Locknut Wrench is the answer.
Fits most 8 point 32mm and 36mm locknuts
Thick, semi-box opening
Substantial, extra long handle for a firm and precise grip
Made of investment cast steel