Testing Tools

This is a replacement pen probe for Auracle AGT1, AGT2, and AGT3 (item #'s 56-2000, 56-2003 , 56-2005, 56-2007, and 56-2010). Pen probes require re...

14K Test Acid Ready to use, targeted test acid. Use in conjunction with a black test stone. Supplied in a half ounce shatterproof dropper bottle wi...

18K Test Acid Ready to use, targeted test acid. Use in conjunction with a black test stone. Supplied in a half ounce shatterproof dropper bottle wi...

Wood Case for Test Acids is a wood case with a hinged lid and magnetic catch for storing test acids and accessories. This case is divided into 5 co...

Set of 4 Gold Test Needles this set of 4 gold test needles (10K,14K,18K and sterling). Used as a comparison standard when testing gold on a test st...