Montana ACRYLIC EMPTY Marker 50mm The Montana ACRYLIC EMPTY Marker 50mm is a prime quality manufactured refillable empty marker. The optimum float keep an eye on pump-valve system allows accurate handling and application. The transparent marker bodies allow for simple assesment of remaining marker content. Replacement tips are seperately to be had. Best possible to be used with the Montana ACRYLIC water based totally PAINT 180ml or 25ml. For optimal performance, we propose the use of only Montana ACRYLIC Paint Refills with the Empty Markers. Screw left to open!