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New Extra Large 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 8" x 3" x 1/2" (200 x 76 x 12 mm)

XL Boxed Gold, Silver, Platinum, Testing Stone Tile (200x75x12mm)

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