U J Ramelson Etching Needle fine stylus 7 in.

the Fowler disposable felt-tip metal etching pen great for two rooms machine shops and for personalizing your tools use it on copper copper alloy stainless steel hardened steels and castings personalize your tools we store graduations on rules high gauges calipers micrometers simply open the cap personalize your tool and return the cap back the Fowler felt-tip disposable metal etching pen comes with a full one-year warranty