princeton select brushes are available in over two dozen distinct shapes, with synthetic or natural hair. these brushes were designed in partnership with well-known artist and art book author willow wolfe. in addition to traditional brush shapes, the princeton select line also features more unusual shapes like oval mops, dagger stripers, filbert grainers and chisel blenders. not only are princeton select brushes carefully crafted, they are also pleasing to look at. each beautiful blue brush handle is satin-finished and fitted with a nickel-plated brass ferrule.