<p>The Micro-Electronic caliper use ruler measuring indicator is widely used in all kinds of gemstone measurement and precision measurement of small workpiece.</p> <p>The chip of the stainless steel thickness measuring caliper gauge indicator is elaborately designed which has high precision and quick speed.</p> <p>This caliper adopts premium stainless steel,very durable.</p> <p>Its power comes from battery,you do not need to worry about running out of power as soon as you replace it.</p> <p>The thickness measuring caliper gauge indicator is light, therefore the tool is portable and easy to use, you can carry it anywhere.</p> <p>Specification:</p> <p>Material:Stainless Steel</p> <p>Colour: Black</p> <p>Measuring Range:0-25 mm, reading value: 0.01 mm</p> <p>Accuracy:0.03mm</p> <p>Battery:1.5V</p> <p>Used for: Measure the inner diameter, diameter and thickness of objects. For example: rings, , jewelry, gems, etc.</p> <p>Features:</p> <p>1. Easy reset.</p> <p>2. Auto on\/off.</p> <p>3. Easily switch between metric and imperial systems.</p> <p>4. LCD display, the screen display clear and easy to read.</p> <p>Package Contents:</p> <p>1 x Electronic </p> <p>Only the above package content, other products are not included.</p> <p>Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +\/- 1-3cm.</p>