About this product
Physical Measuring TypeHardness Testers
Warranty TypeNo Warranty
Product description
✅Multipurpose: This test pen supports the authenticity verification of jade, diamonds, crystals, and jadeite. Distinguish authenticity by the hardness and thermal conductivity of gemstones.
✅High Precision: This professional diamond tester kit ensures high precision and provides reliable results every time. It is an essential tool for jewelry professionals and enthusiasts.
Working Power Supply: DC 9V Battery
Product Size: 160 x 40 x 22mm
There could be some slight differences in the color tone of the pictures and the actual item.
Please allow 1-2mm differs due to manual measurement, thanks.