We manufactures etching pencil which is used for marking on mild steel and hard metals. One can write just like a pencil. Ink is not required. The harder is the metal, better is the etching. Through etching pencil one can write on dies, machine tools and components, jigs, fixtures, cutting tools, etc. Can be used for hardened and ground surfaces as well.
Harder The metal, Better The Etching. A device for marking on hard metals and mild steel by instant and permanent electro etching process. Ideal for hardened and ground surfaces. Unsuitable for unmachined or rusty or scaly surfaces, metals softer than mild steel, laminate, coated surfaces and nonmetallic materials. Not continuous rated.