The Montana ACRYLIC EMPTY Marker is a high quality manufactured refillable empty marker. This set contains all 5 markers in the series. Sizes include a Wide (50mm), Bold (30mm), Medium (15mm), Fine (2mm), and Extra Fine (0.7mm). The optimum flow control pump-valve system allows accurate handling and application. The transparent marker bodies allow for easy assessment of remaining marker content. Replacement tips are separately available. Perfect for use with the Montana ACRYLIC water based PAINT 180ml or 25ml. Mix colors together to create your own unique markers. For optimal performance, we recommend using only Montana ACRYLIC Paint Refills with the Empty Markers. Screw left to open! Great for canvas work, handstyles, street art, or any other important art project.