WARNING: This pen is for the Kee gold tester with UPGRADED FIRMWARE
AS OF 02/21/17: The replacement pen probe will ONLY work for the Kee gold "Prospector" testing machine with UPGRADED FIRMWARE
FIRMWARE UPDATE: The new replacement pen probes will be able to identify Stainless Steel Rolex
The testing probe refill comes with a new cap and polishing tip and is easy to replace. This allows the user to get many years of service from one meter. A revolutionary, affordable and user friendly gold/platinum purity analyzer. This meter is a quick and easy nondestructive way to test gold and platinum. Test gold alloys from 10kt to 24kt without having to push a color button. Uses no messy gels or chemicals. Easy to read analog meter movement allows each individual user, after calibration, to become very efficient and comfortable testing gold on his/her meter. The testing probe refill (56-7612) comes with a new cap and polishing tip and is easy to replace. This allows the user to get many years of service from one meter. Calibrate with 18kt. This is a pack of 3 replacement pens.