... Accuracy4μmClick Frequency300 ± 10HzAdjust Range≥ 0.01mmNeedle HardnessHRA92Gas Source0.3-0 .8 Mpa (industrial gas source or compressor air source ... adjustment, tag content can simulate the display, easy to use.3; Imported industrial components such as power supply, LCD, motherboard, ... icon, etc. Applicable material: metal, glass, ceramic, plastic, etc. one piece pneumatic marking machine for bar code