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, and carbide 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?

Get a FREE Q-Mark Thread Card!

Limited time offer.  Details below.

The Q-Mark Thread Card

The Q-Mark thread card is a handy tool for determining thread sizes, ball diameters, and lengths of styli.  We make them from aircraft-grade aluminum that is anodized and laser engraved. They're supplied with an adhesive pocket for storage.


During the month of November 2015, get a Q-Mark thread card FREE with your order of $100 or more from our store.  Just type "CARD" in the comment box at checkout. We'll include one with your parts!  While supplies last. 


Visit and get your free thread card today!