202035a Probe stylus, 1mm diameter, ruby tip, stainless steel
List price $32 available for $30
202035a - Stylus for Touch Probe 1mm Stainless Steel
Stylus TP-1R, 1mm (.0394 in) dia ruby tip x.75 in long w/2mm threaded shank. Ruby tip sphericity is within .000050 inch ( 50 millionths ) Ruby is an ideal material for a probe stylus as it is one of the hardest industrial materials available. Ruby provides a long life without wearing of the surface from abrasive materials.
Shown above mounted to an optional extension for additional probe reach into cavities.
Additional information about the process can be found at this link: Scanning a Quarter