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. 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/s Operating Temperature: 0 ~ 40 (32 ~ 104 ) Storage Temperature: -20 ~ 70 (-4 ~ 158 ) Relative Humidity: less than equal 80% R.H Material:Aluminum+ABS colour:black Package Contents: 1 * 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.