GemOro 2017 AuRACLE Gold Tester Silver Label Pen Probe for AuRACLE AGT1 and AGT3 Maun This unit features a 3-inch

This unit features a 3-inch front collar and a 3-inch rear collar

this holder provides the control and stability needed for clean

Nylon lower jaw in a "V" shape — won't mar precious metals

Smooth and shiny finish throughout

Carbon covered

GemOro 2017 AuRACLE Gold Tester Silver Label Pen Probe for AuRACLE AGT1 and AGT3 Maun This unit features a 3-inchThe GemOro 2017 AuRACLE Silver Label Pen Probe is a replacement testing pen designed exclusively for use with the GemOro AuRACLE AGT1 and AuRACLE AGT3 gold testers. This universal pen replaces earlier model specific probes a single Silver Label pen now works with either the AGT1 or AGT3, streamlining your testing supplies. When properly maintained, each pen is rated for up to 1,000 tests. The pen contains a non toxic, salt water based solution. Always