... car or motorcycle body, frame, chassis, connecting rod, engine, cylinder, mark on metal, plastic, etc. Technical Parameters:Print Range140mm * ... (4 # characters)Marking Depth0.01-2mm (depending on hardness of material)Marking Accuracy4μmImpact Frequency250 times/secondClick ... car or motorcycle body, frame, chassis, connecting rod, engine, cylinder, and various mechanical parts, machine tools, hardware, ...