🧪 Unlock the true value of your treasures—test like a pro, never get fooled again!
The Joyzan Testing Stone is a compact, durable black glass tool designed for precise acid testing of gold, silver, and platinum. Featuring a non-slip backing and a lightweight form factor, it enables professionals and enthusiasts alike to accurately measure metal purity from 10k to 24k without damaging the item. Ideal for jewelers, pawnshops, and anyone serious about authenticating precious metals on the spot.
| Brand | Joyzan |
| Model Number | Joyzan5yr4t1wxv8-01 |
| Product Dimensions | 7.8 x 4.5 x 0.8 cm; 65 g |
| Material | Gold |
| Item Weight | 65 g |
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