Probe Styli and Tooling for Industrial Metrology.

Made in USA.  In Stock.  Online Orders Ship Free.

Compatible with all probe systems. 

Available with ruby, silicon nitride, zirconia, ceramic, carbide, and diamond balls.


Order today, use tomorrow. Online orders ship free.


All manufactured at our ISO 9001:2008 certified plant in Southern California.

What would you like to do?

NEW! Styli with diamond balls. Ready for next-day delivery. Click here for details.



Q-Mark styli are available on