Features: Made of high-quality materials for durability100mm CMM Touch Probe Stylus 6mm Diameter Ru by Ball Ceramic Rod CMM A-5000-3712.CMM probe tip ball ceramic shaft threaded shank .Easy to use.has a long service life and does not wear the from abrasive materials.Product parameters: Model: A-5000-3712Threaded handle: Ball diameter: 6mmCeramic stem: 4.5mmPlease note: the physical slightly color difference or difference, does not affect the use, please do not mind, thank you!Material: Metal+ceramiccolour: As ShownPackage Contents: 2 x Contact probeOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.