Park Tool Threadless Nut Setter (TNS-1)

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About Park Tool Threadless Nut Setter (TNS-1)The TNS-1 is used to install star-fangled nuts found on threadless headsets. Thread the nut onto the TNS-1, insert into the steering co lumn, and drive it in with a hammer. Sets the star-fangled nut to 15 mm and keeps it straight. Long handle helps prevent pinched fingers. Features Compatible with 1" and 1 1/8" headset systems that use a standard M6 threaded star-fangled nut Replaceable set screw — part #822 About Park ToolPark Tool are the world's largest bicycle tool manufacturer. Located in St. Paul Minnesota they have been designing and manufacturing bicycle specific tools since 1963. Their dedication to quality and innovation have gained them the reputation for producing the best bicycle tools in the world. Show more