Thickness Gauges offer a quick and efficient means of inspection of thickness. Convenient grip handle, thumb trigger and spring-loaded spindle. This is an Perfect tool for mechanical, industrial processes and laboratory use. Large LCD Display with 3 Digits Measuring Range from 0 -12.7 mm High Resolution up to 0.01 mm Switchable between mm and inch Zero Setting Measuring Range: 0 - 12.7 mm Resolution: 0.01 mm (0.0005 inch) Response Time: less than equal 0.5 m or s Operating Temperature: 0 - 40 (32 - 104 ) Storage Temperature: -20 - 70 (-4 - 158 ) Relative Humidity: less than equal 80 percent R.H Material:AluminumandABS colour:black Package Contents: 1 x Thickness Gauge Only the above package content, other products are not included. 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.