... for marking logos,characters,serials numbers and VIN codes on bodywork of motorcycles,nameplates,connecting rods,engines,mechanical ... for marking logos, characters, serials numbers and VIN codes on bodywork of motorcycles, nameplates ,connecting rods ,engines ,mechanical ... 2mm (according to the material) Marking Pin Hardness: HRC95 Impact Frequency: 300-400times/second Marking Material: All kinds of ...