

Park Tool TNS-4
The Park Tool TNS-4 is a threaded star nut setter that drives a star-fangled nut into 1" and 1-1/8" steerer tubes perfectly straight and to the correct depth. It takes the guesswork out of a job that is easy to botch with a hammer alone, earning its place in any fork-cutting toolkit.
- Used to perfectly install a headset star-fangled nut into the steerer tube of a fork
- Fits 1'' and 1-1/8
Pairs well with

Park Tool TNS-4
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