Titanium Threadless with Prong Set Semi Bezel Opal Low Profile Top. Manufactured from High Polish Implant Grade Titanium (Ti-6AL-4V-ELI ASTM F136). These new laser-cut low-profile titanium settings give this opal cabochon's a beautiful and perhaps more importantly - secure home. To secure the inside bar or base, add a slight bend to the pin by simply inserting the pin halfway and pushing the top to one side. Pin Size: 0.45mm x 4.7mm.

?We are transitioning our material to Japanese Titanium. Several of the colors/sizes have been updated already to Japanese Titanium. The Lot # & "JPN" will appear on the label which indicates that it is sourced and milled from titanium made in Japan, a DFARS compliant country for titanium.

?We have corresponding mill certificates for these Tops which can be located on our website once logged in.The certificate includes the heat # & lot # for traceability.