and more scratch-resistant than conventional acrylic paint

It was originally adapted for industrial labelling

including the Markal Paintstik B Hex Solid Paint Marker

Probably the most classic marker of them all

parker quink flow ballpen refill medium Ink color:Black and more scratch-resistant than conventionalThe Parker Quinkflow Ballpen Refill in Medium lets you keep your Parker ballpoint pen writing smoothly without missing a beat. Its filled with richly pigmented Quinkflow ink that flows consistently across the page, giving clean, precise lines every time. The fine tip is perfect for detailed writing or neat lettering, and the refill is compatible with all Parker ballpoint pens. The ink is built to last and meets ISO 12757. 2 standards, so its safe for