Park Tool TNS-1 Threadless Nut Setter

The Park Tool TNS-1Threadless Nut Setter is used to install star-fangled nuts found on threadless headset systems. Thread the nut onto the TNS-1, insert into the fork stack, and tap it in with a hammer. Sets the starfangled nut to 15mm and keeps it straight. Long handle helps prevent pinched fingers. Park ToolTNS-1ThreadlessNut Setter Features Eliminate the guesswork out of fitting the star nut 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 Made in the USA and covered by Park Tool's legendary limited lifetime warranty