Pen-probe for kee gold tester, model M509-GM Options_With light Composition:

Composition:

it will not work on filigree (it doesn't like the gaps)

Start-up time 5 seconds

and it only needs to weigh down to 0

Pen-probe for kee gold tester, model M509-GM Options_With light Composition:Summary Replacement pen probe for KEE gold tester (model M 509GM). Please check carefully that you are ordering the correct pen probe, this one is for the KEE tester only. The Kee tester was discontinued in 2025. We have pre ordered the factory's entire production. We will be taking delivery of 200 shortly (September) then another 200 in December, then that's the end, there will be no more. We anticipate that this will be enough to last until February