... or non-metal material Applycation: It's applicable for the fields of automobile motorcycle parts, merchanism,petroleum ... used for marking logos,characters,serials numbers and VIN codes on bodywork of motorcycles,nameplates,connecting rods,engines,mechanical parts,machine tools ... Dirctionup,down,left,right,circle Marking Characterssizes,spacing for adjustment,character size covers 2-80mm,even bigger ...