The Montana Level Cap is for use with Montana Spray Paints, particular the Montana Gold range.
The Fine Skinny gives a fine spray of 0.6-2.5cm (0.25-1in).
The Ultra Skinny gives an extra-fine spray of 0.4-1.5cm (0.15-0.6in).
The Medium or Soft Skinny gives a medium spray of 1-4cm (0.4-1.6in).
The Soft Fat gives a spray of 3-10cm (1.2-4in).
The Montana Level Caps are easy to use and can be removed and swapped with others in the range.