Precise Metal Etching Pen

• A "must" for any tool room and machine shop for general marking purposes, the metal etching pen is used on copper, copper alloy, stainless steel, hardened steel tools and castings, etc
• Use it to initial personal tools. Its low-cost, disposable design offers limitless applications.  This metal etching pen is the best solution for marking metal parts when you are not using an engraver.  Every metal shop should have at least one of these metal etching pens at their disposal.