Tester Portable Gem-Selector Jeweler Tool Testing Kit Gold Pen
Features: This product can select the
Non-destructive testing, do not hurt your item. It will automatically alarm if the too low.
Portable size, convenient for carrying.
Easy to operate and accurate test.
Suggestion: In order to detect accurately, the proposed correction once a year.

Specifications: Material:ABS
Size:Approx.135x40x22mm/5.31''x1.57''x0.87''
Battery:9V (not included)

Package Includes: 1x Tester Pen

note: Please allow 1mm errors due to manual measurement.
Due to the difference between different monitors, the picture may not reflect the actual color of the item.