Park tool Park Tool TNS-4 Deluxe Threadless Nut Setter Tool One Size Black

The TNS-4 makes it quick and easy to install star-fangled nuts used with 1´´ and 1-1/8´´ threadless headset systems. Using a durable steel driver and built-in guide, the TNS-4 perfectly aligns the star-fangled nut and sets it to the proper depth every time. The unique design virtually eliminates pinched fingers. Replaceable set screw (#822).
– Fits star-fangled nuts with an M6 threaded nut. Not compatible with M10 threaded star-fangled nuts.

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