These marking devices make the most of specialised inks formulated to stick robustly to metallic surfaces, creating lasting visible marks. An instance of their use is in industrial settings for half identification or in creative purposes for customizing metallic objects.
The utility of those implements lies of their capability to supply sturdy markings able to withstanding environmental stressors, comparable to abrasion, temperature fluctuations, and chemical publicity. Traditionally, much less exact strategies had been employed for comparable marking functions, making these pens a considerable enchancment by way of accuracy and longevity.