apply to a car or motorcycle body, frame, chassis, connecting rod, engine, cylinder mark ... -4 per second (4 # characters)Marking Depth0.01-2mm (depending on material hardness may be)Marking Accuracy4μmClick Frequency300 ± 10HzAdjust Range ... × D) 320 mm × 760 mm × 420mmNeedle Pitch2mm-3m Application:mark on car or motorcycle body, frame, chassis, connecting rod, engine, cylinder, and ...