Presidium Electronic Gemstone Gauge (PEGG)

Features   Measures from 0.0 to 25.0mm Accuracy: 0.01mm / Tolerance: 0.02mm Direct digital millimeter/carat readout Touch button zeroing that allows the convenience of resetting to zero at any measurement point Smooth slider mechanism Low battery consumption Portable and lightweight Attachment for high-setting jewelry provided as accessory Presidium Gemstone Weight Estimation Table provided Compact protective case included with auto-magnetic power off when placed in carrying case   Benefits   Instantly converts millimeter readings to carats for round brilliant-cut gemstones Measures gemstone dimensions with accuracy to 0.01mm Clear and visible digital display with readings in mm or ct Light and portable instrument that can be used anywhere