Collecting listings has surprises
Description
Before using the Moissanite pen, the tested must be tested with a thermal conductivity meter and displayed as a , and then the Moissanite pen is used to determine whether it is a or a moissanite.
Features
-Color: Assorted color.
-Material: Engineering plastic.
-Size: About 18.50X5.50X3.00cm / 7.27X2.16X1.18inch.
-Note: No battery packed.
-Non- testing, do not harm the .
-Simple calibration for stones of various sizes.
-Accurate and reliable reading, simple but practical.
-LED light and audio result indication, true and accurate.
-The operation is simple and the test is accurate.
accessory