This machine fixture holds 80 individual optical lens for batch processing.  It was used in a Satisloh AR coating machine.   There are 4 section pieces representing one complete machine fixture - each section holds 20 lenses for a total of 80 pieces per each process cycle/manufacturing lot.  

Ferrous metal that changes color from a gray, beige to light purple based on reflection and refraction of light on the surface. The total diameter is approximately 33"

In excellent functional condition and good cosmetic condition with some minor scuffs to the finish.  I have two identical sets available.  If you have any questions, please let me know!

30 day no-risk guarantee - if this part is DOA, if this part is not fully functional, or if there is an error in my description,  please let me know within thirty days of receipt and I will pay return shipping in addition to issuing a full 100% refund upon return.  I appreciate every order and want you to be happy with your stuff. The item in the pictures is the item that you will receive. Thanks!