Presidium GemTester Pen Probe- I is an add on accessory to be used specifically with Presidium Gem Tester and Duo Tester only
versatile color-grading light that features both UV short wave and long wave light and comes with a chamber for color grading
3 Colors Temperature Mode : All 3 colors - Cool/Warm/Day Light
One extra keychain hook is also supplied with the bag for future replacement
Ultrasonic Economical CD-4831 3 Ltr. Manual Gauges & Calipers Presidium GemTester Pen Probe- IÂMore Features : Engineering Grade Plastic Moisture proofed PCB with industrial IC 3 Color LED Display Detachable power cord More Places of uses : Biology Chemical Laboratories, Mobile phone and Electronic Service Shops, Printing Shops and Automotive Shops Sample Applications : Jewelry : Necklaces, rings, earrings, bracelets, etc. Personal Items : Eyeglasses, sunglasses, shaver, heads, watch bands, diver's watches, dentures, etc. Dental Instruments :