ZJchao Touchstone, 2pcs Gold Detecting Touchstone Jewelry Test Tool Kit and Practical Gold Content Tester for Testing Jewelry
Special Features
- Ideal for testing jewelry, more reliable and practical.
- Particularly designed to verify the gold content in items.
- Professional performance, high reliability and accuracy.
- Constructed of quality material for maximum durability.
- It is easy and simple to use, offering you much convenience.
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