Threadless Prong Set Double Round Gem and Synthetic Opal Top. Manufactured from High Polish Implant Grade Titanium (Ti-6AL-4V-ELI ASTM F136). Pin Size: 0.45mm x 4.7mm.
?The Lot # & "JPN" will appear on our label of the bag of jewelry which indicates that it is sourced and milled from titanium directly 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.
