The Raphael Kaerell Flat Varnishing Brushes can be used for fluid paint, washes and varnishes. The soft synthetic fiber bristles are fine and flexible. The handle is lacquered with an ultraviolet varnish that provides better resistance to water.Details: Flat Size 30, 1.25"4 brushes Soft synthetic fiber bristles Stainless steel ferrule Short handle for a precise stroke Easy clean-up For use with fluid paint, washes and varnishes