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Etch Resist Pen: Red / Blue / Black 3 different color pens in 1 kit Description: An Etch Resistant Pen, ideal for use on plain copper clad boards when an acid bath technique is to be used with artwork directly printed and drawn on the PCB. To use the pen, simply press the tip to promote ink flow and apply slowly, even pressure in use.
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🇺🇸 Ship from USA · On Agora since 2025
$6.35