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Presidium Gem Tester II (PGT II) - Testing Ruby, Diamond, Sapphire
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Black Presidium Gem Tester, For Industrial, Size: 150 Mm at Rs
A NEW TOOL!!! Unboxing & Gem Stone Testing: Presidium Instruments Gem Tester II
Retractable thermoelectric probe tip that ensures constant pressure between probe and gemstone Industrys thinnest probe tip (0.6mm) for testing
Presidium Duo Tester PDT Diamond Gemstone Tester
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Presidium Gem Tester II (PGT II) - Testing Sapphire, Diamond, Ruby
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