Threadless Nut Setter Park Tool TNS-4Threadless Nut Setter Park Tool TNS 4 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. Features Compatible with 1" and 1 1 8" headset systems that use a standard M6 threaded star fangled nut
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