Studio 51/50 Black Spike ball in Niobium - Threaded

Finally! Safe black spikes are here! Measured from the point to the base.

These are ground down from niobium balls, sanded, polished, torch-treated, and polished again. 
Contains a self-locking feature that helps keep them securely in place.

*If you want a variant that is not available online, please Contact Us!
We can currently (7/31/2025) make these in 4mm, 5mm, and 6mm. 

Threaded jewelry is sold as separate parts: the ends and the posts. If you are wanting a complete set, select your end piece, then head over to our Threaded Post section and snag one.

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