Ideal for use with test stones and testing solutions to determine contents of precious metals
Set of 4 test needles includes: 10k, 14k, and 18k and silver
Can be used to determine contents of gold and other precious metals
Needles come on a convenient ring
Description
4 piece set of test needles, 10K, 14K, 18K and silver, to use with test stones and testing solutions to determine the contents of gold and other precious metals.
