At roughly 6

The firm-density PVC Hi-Polymer compound delivers maximum erasing control for high-density shorthand

we recommend a half mask with replaceable filters for the best protection

Writers also use these for blackbook sketches or quick marker work where you want permanent color options beyond just black

montana bold marker 15mm broad HM At roughly 6The Montana BOLD Marker 15mm Broad applies alcohol based, permanent ink that leaves rich, semi gloss coverage made to last. Lightfast, UV stable, and abrasion resistant, it withstands sun and handling, ensuring your work remains vibrant over time. The wide, 15mm flat tip is ideal for filling large areas quickly, layering colors, or creating bold, expressive strokes across various surfaces.