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Acid Testing Needles 4Pcs

Price: $44.50
SKU: 56.706

4 New Acid Test Needles

  • This is a new set of 4 testing needles
  • These needles test 10K, 14K, 18K gold and silver
  • They are used to determine karat content of gold and silver
  • The needles and the item to be tested are rubbed on a test stone and treated with acid to determine a match