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

This black testing stone is a must-have for anyone looking to determine the purity and value of their precious metals.

Measuring at 4" x 2" x 1/2", it's the perfect size for accurate measurements, and its durable construction ensures that it will last for countless tests.

With its ability to measure karat value and purity, this stone is an essential tool for any jewelry maker or collector.

Don't miss out on this great deal - order now and start testing your precious metals with confidence!