... 80mm (special format can be customized)Marking Speed2-4 per second (4 # characters)Marking Depth0.01-2mm (depending on material ... work.2: High brightness (for field operations), large-screen LCD display, PC standard keyboard operation, easy adjustment, ... chassis, connecting rod, engine, cylinder, and various mechanical parts, machine tools, hardware, metal pipes, gear, pump, valves, fasteners, and ...