Presidium Replacement Probe Gem Thermal Tester (for PGT II & PDT

Presidium Instruments Gem Tester II (PGT II) with

Presidium Gem Tester Probe Spare probe for Presidium gem tester/duo tester (for PGT II & PDT) - Old Version with 6 pins (pre 2019). We are the UK

Presidium Replacement Probe Gem Thermal Tester (PGT II & PDT pre 2019 ) - TZD53A

Presidium Duo Gem Tester (PDT) - TD5310

Presidium Instruments Gem Tester II (PGT II) Now with

Presidium Replacement Probe Gem Thermal Tester (for PGT II & PDT

Presidium Instruments Gem Tester II (PGT II) Now with

PRESIDIUM DUO TEST Thermal Conductivity Refractive Index Tester

Presidium Instruments Gem Tester II (PGT II) with

Presidium Duo Gem Tester (PDT) - TD5310

Presidium Instruments Gem Tester II (PGT II) with

Presidium® Gem Tester II – ZAK JEWELRY TOOLS