Electronic Gemstone Diamond Gem Gauge 0-25mm, Pocket Gem Gauge, Measuring the size or thickness of Gemstone.
Features:
Capable of measuring mounted stones
Stainless steel
0.01 mm Accuracy
Zero at any position.
In/Metric
Easy to read display.
Digital Readout
Touch-Button Zeroing
Ultra hard platforms
About 5,000 hours of battery life
mm/carat conversion
Automatic shut off
1 Year Factory Warranty.
OEM is acceptable.