Salmue Practical Jewelry Gold Testing Tool Touchstone Portable Gold Detecting Stone for Gold Testing Examination Touchstone Jewelry Tool (L) L auspowers_batchtwo This Hydronix CB-25-1010 carbon block

This Hydronix CB-25-1010 carbon block filter has a particle retention size of 10 micron

Easy to carry: telescoping inspection mirror is a good tool to meet your inspection needs

00015" Graduation: 0

like racks

you can flip to the desired position to ensure that the eyeball is in the middle position

Salmue Practical Jewelry Gold Testing Tool Touchstone Portable Gold Detecting Stone for Gold Testing Examination Touchstone Jewelry Tool (L) L auspowers_batchtwo This Hydronix CB-25-1010 carbon blockSalmue Practical Jewelry Gold Testing Tool Touchstone Portable Gold Detecting Stone for Gold Testing Examination Touchstone Jewelry Tool (L) Features: 1. This touchstone is used to verify the gold content in items. 2. Apply a drop acid test on touchstone, real gold will stay on the touchstone, fake one will be dissolved or oxidized to blue. 3. This solution works for testing any gold which you believe to be 10K, 14K, 18K, 22 24K, silver, and platinum