• Natural Test Stone Medium-Size - 4 x 2 x 1/4
This medium size natural Arkansas test stone is used with test acids and test needles to determine the karat value of products. It's ideal for gold testing.

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Natural Test Stone Medium-Size - 4 x 2 x 1/4

  • Product Code: 7487N
  • Availability: 9
  • $19.35
  • $15.48