Park Tool TNS-15 THREADLESS STAR NUT SETTER for 1-1/8" & 1.5" Headset

Park Tool TNS-15 Threadless Nut Setter The Threadless Nut Setter is used to install star-fangled nuts found on threadless headset systems. Thread the nut onto the TNS-15, 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. The TNS-15 is used for 1-1/4" and 1.5" threadless headset systems. Fits star-fangled nuts with an M6 threaded nut. Not compatible with M10 threaded star-fangled nuts.