Presidium standard+duo probe, new (after oct 2020) models Reading magnifiers that rest on page Works with any stone
Baker’s notes & crumb story
Description
Works with any stone
and most Sphene
They have not been enhanced
princess 0
Although the lens is only 10mm dia
Presidium standard+duo probe, new (after oct 2020) models Reading magnifiers that rest on page Works with any stoneDetails There are two types of probe depending on whether you bought your tester before or after October 2020, please check carefully that you are buying the right one. This probe has the new style connector. It fits the following Presidium electronic gem testers: our ref. Gemtest P2 Presidium's ref. PGTII and also the NEWER versions (this one) of: our ref. gemtest duo Presidium's ref. PDT S7 Not sure which you have? See our information sheet.