Jura is a master stonesetter from the Netherlands who specialized in the highest quality micro-stonesetting. Through the years he has created many specialized tools for holding a wide variety of items to stone set, most notably rings but including watch cases, beads, broaches and pendants. The popularity of micro pave stonesetting continues to grow, and just about anything you can think of can now be successfully microstoneset.
This is a replacement set of ten JURA Plastic collets. They are used with the Inside Ring Holder with Screw Set which is part of the JURA Basic or Master Set (only available as part of those sets) and the JURA QC.PL.M6, called the JURA M6 Plate with M6 screw, our part number 129.989.
Jura collets expand to hold rings from the inside as the screw is tighten.