These hog bristle brushes are specially designed for use in schools ek730 pack of 30 includes brush sizes 8 10 and 14 with coloured short handles ek7302 pack of 100 includes brush sizes 4 6 8 10 12 14 16 and 18 ek7301 pack of 6 includes brush sizes 4 6 8 10 14 and 18 handle colours will vary