1、Very accurate,the accuracy of it is as high as 0.001mm. 2、Firstly adjust the measuring distance with the coarse adjustment tube, and then fine-adjust the resolution to 0.001mm through the differential cylinder. The operation is simple and convenient. 3、Turn left to lock, turn to the right to unlock, after idle shutdown, use the locking device to turn the machine to the left. 4、Easy to operate,short press ht eon/off button to switch the machine,hold the button for three seconds to set the absolutely original point. 5、Short press to change to the mode of the comparison measurement of original point, display 0.000mm, when the INC mark is lit, the comparison measurement can be made; short press again to become the absolute measurement value, INC flag is off.Press and ho<br> Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-Minnanxin