test stone
Natural Testing Stone, 6″ x 4″ x 3/8″
Natural testing stone in a larger 6″ x 4″ size offers great value and convenience. Use with solutions and test needles to determine the karat value of articles to be tested.
$29.95
Natural testing stone in a larger 6″ x 4″ size offers great value and convenience. Use with solutions and test needles to determine the karat value of articles to be tested.