Electrochemical Marker ----------------It gives you an effect
very similar to Laser Marking, yet the cost is only 1/10!
·Abstracts: Electrolyte darkens certain parts(by using stencil) of the metal under electric current.
·Marking: Black or white(for blackened parts) markings, high accuracy, no effect on the flatness of metal, anti-corrosion and high temperature.
·Suitable: Conductive metal.
·Application: bearings, drills etc.