Pen-probe for Gemoro gold testers, models AGT1 & AGT3 Missing Items 1 This probe fits very old

This probe fits very old (pre-2020) Presidium gem testers:

5% heavier

without the distraction of the measuring scale

resolution (readability) 0

Pen-probe for Gemoro gold testers, models AGT1 & AGT3 Missing Items 1 This probe fits very oldDetails Replacement pen probe for Gemoro AGT1 and AGT3 electronic gold tester (the pen probe has a sliver sticker), please check carefully that you are buying the correct pen probe, this one will only work with models AGT1 and AGT3. Warning. read this before buying: When an AGT1 or AGT3 tester stops working, it might be because it needs a new probe. Or it could be because it has developed a fault. Maybe it does need a new probe but it might also have