Link - https://www.metrologyworks.com/product/1-5-reference-sphere-matte-finish-with-female-m8-threads/

Selling Individual ($80 per sphere)
QTY: 12 Spheres in Pack

1.5" Reference Spheres for CMM Calibration -
  • Female M8 Threads for Mounting on Threaded Studs
  • Matte Surface is Ideal for Scanning
  • Rugged 440C Stainless Steel Ball
  • Magnetic
  • Includes Metrology Works Internal Calibration Certificate

    • Brand New! Box not opened.