Park Tool TNS-1 Threadless Nut Setter - 21640356357
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.