Large 8" x 3" x 1/2" Black Testing Stone for Gold Platinum Silver Test Karat Value Purity Jewelry Scrap Precious Metal

It's size made it much easier for testing and you can test more samples.

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Feature Product

• Measuring at 8" x 3" x 1/2", this black testing stone is to be used with solutions and testing needles in order to determine the karat value and purity of your precious metals

Description

Measuring at 8" x 3" x 1/2", this black testing stone is to be used with solutions and testing needles in order to determine the karat value and purity of your precious metals.

Please contact us with any questions. Thanks for looking!

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