Park Tool TNS-1 Threadless Nut Setter - 21640356357
Detail
Eliminate the guesswork out of fitting the star nut. Special tool designed for installing star nuts into threadless steerer tubes neatly and easily to the correct depth. Key Features: Fits 1 inch and 1-1/8 inch steerer tubes. Sets the star nut to 15 mm depth and keeps it straight. Long handle prevent pinched fingers.