The tip of the Daler-Rowney AF50 series brush is made of synthetic fibres with a unique combination of different lengths and diameters, for a feel similar to a sable brush. Aquafine is a range specially designed for watercolour painting. Long-lasting tip with excellent shape memory. Lifetime guarantee. Silver ferrule. Black pearl and blue handle. The Aquafine brush is ideal for fine lines, details and contours.