Pneumatic Dot peen technology is characterized by long strokes of stylus for marking on parts with surface irregularities up to 12mm and depth up to 1mm on soft steel parts. The Pneumatic Vibropeen technology is ideally suited for fast continues line marking up to 5 characters per second speed. The robust built hand-held markers are constructed for deep marking surfaces. Special front holding attachments and permanent magnets for superior grip as well as hands free operations.