![Bottle of acid designed for testing authenticity of precious metals Bottle of acid designed for testing authenticity of precious metals](https://cdn11.bigcommerce.com/s-iic0hc/images/stencil/300x300/products/38432/76806/56.800__14831.1658864206.jpg?c=2)
These gold testing needles are with test stones and testing solutions to determine the contents of gold and other precious metals. This set includes a 8K, 10K, 12K, 14K, and 18K gold test needle.
These gold testing needles are with test stones and testing solutions to determine the contents of gold and other precious metals. This set includes a 8K, 10K, 12K, 14K, and 18K gold test needle.