4-Piece Jewelry Tester Scratch Streak Stones for Acid Test Kits - Gold Silver Platinum 10K 14K 18K 22K 24K Minerals Precious Metals Detector

Description of the product: 4 Piece Set of Gold, Silver, and Platinum Jewelry Tester Scratch Streak Stones for Acid Test Kits- 10K, 14K, 18K, 22K, 24K Minerals and Precious Metals Detector in Multiple Sizes and Colors

This convenient set of 4 GTE Acid Scratch Test Stones is easy to use and perfect for testing the karat value and purity of gold, silver, and platinum jewelry, scrap, bars, coins, and more! To use, simply scratch the test stone with your jewelry and apply a drop of acid to the stone to see the results appear. Each stone can be used for over 1000 tests and should be cleaned with the included acid neutralizer between uses.

These stones are a must-have for anyone who invests in precious metals to protect their investments. The kit includes 5 pieces: GTE Black 3''x6'' Test Stone, GTE Black 2''x4'' Test Stone, GTE Black 2''x2'' Test Stone, and GTE White 2''x2'' Test Stone. Each stone features a rubber backing for non-slip desktop testing. Additionally, an easy-to-follow instruction booklet with a color chart is included for reference (Note: Testing acids are sold separately).

These test stones are a safe and easy way to protect your jewelry and precious metals during acid testing. They can be used with jewelry testing acids to determine the karat value and purity of gold, silver, and other metals. The set includes 3 portable stones in small, medium, and large sizes for convenience. Each genuine GTE test stone is washable and can be used for hundreds of tests. The bonus GTE Neutralizer is included to clean each stone for long-lasting use.

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