Diamond Checker Tool Electronic Kit - Gem Tester Electronic Pole

Feature: *100% brand new and high quality *Thermal conductivity meter is based on the thermal conductivity of diamonds designed and manufactured,

Diamond Tester Gemstone Testing Kit Digital Electronic Detect Calibration Tool

High Accuracy Professional Diamond Tester Portable Gem Selector Gemstone Jeweler Tool Testing Kit Pen : Arts, Crafts & Sewing

Digital Force 1K 2K 5K 10K 20K 50K 100K Meter Tester Gauge Pull Push – Gain Express

iGAGING Thickness Gauge Digital Measuring Micrometer 0-1 3 Way Inch MM Fraction

A pocket size digital durometer with integrated or built-in probe. The resistance toward the indentation of materials that range from rubber, elastomers and other rubber like substances are measured quickly and effectively with this precision perfect instrument. It measures the depth of an indentation in the material created by a given force on a standardized presser foot and is capable of producing a value from 0 to 100, with higher values indicating a harder material.