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New Acid Test Stone

  • This is a new acid test stone
  • This stone is used to test 9ct, 14-15ct, 18-24ct,silver and platinium.
  • Use this stone with acid solutions to test your item.simply rub test subject onto stone and apply testing solution directly onto the stone.
  • Great way to test without marking the subject
  • It measures approximately 4" x 3" x 1/2" (100 x 75 x 12 mm)

4" x 3" x 1/2" / 100 x 75 x 12mm Gold, Silver, Platinum Testing Stone

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