Montana Acrylic Marker Replacement Nibs are optimized to work with the Montana Acrylic Markers and inks.
The 0.5mm, 0.7mm, and 1mm nibs fit the extra-fine acrylic marker. The 2mm and 6mm nibs fit the fine acrylic marker.
The Bottle Applicators turn the 25ml refill bottles into a marker with a 10mm rounded cloth tip.