Caractéristiques et avantages
- Includes testing stone and acid solution for precise gold authentication.
- Quick visual results in seconds for efficient purity verification.
- Tests various gold values: 18K, 22K, and 24K.
- Compact size for use at home, jewelry shops, or appraisal sites.
- Essential tool for collectors and gold dealers.
- Easy to use—simply rub jewelry and apply the testing acid.