These caps can be interchanged to get the right spray width for your artwork. Set of 18 caps that will work with Montana Gold spray paints. Contains all 6 Green level caps, Skinny Beige, Fat Pink, Fat Orange, Skinny Black, Ma'Claim, Soft Grey/Blue, Standard O, Calligraphy, Needle Fine liner, Needle Medium liner, Flatjet Wide and Flatjet Medium caps.