The metal can be customized by engraving with absolutely any type of writing or drawing. The laser version remains black metal and has a high resistance, remember that it is not deep but has a few microns. The mechanics is a fine scratch that you can duplicate or make just one stroke. Our company offers cutting services, cutting and cutting metal: steel, aluminum, steel, brass, bronze. Engraving in metal is the current time I used the technique of customization.