... 10HzAdjust Range≥ 0.01mmNeedle HardnessHRA92Gas Source0.3-0 .8 Mpa (industrial gas source or compressor air source)Temperature-20 °C - 55 ... , engine, cylinder, and various mechanical parts, machine tools, hardware, metal pipes, gear, pump, valves, fasteners, and various hardware plastic products ... mark numbers, name, trademark logo, icon, etc. Applicable material: metal, glass, ceramic, plastic, etc.