Cotman are a range of pure synthetic brushes. They give most of the qualities of sable at an economic price.
Similar to Series 666 with transparent handle and a bevelled end. A popular shape with many water colourists who use this brush for washes in addition to rounds. Also makes a unique chisel edge flat mark, e.g. upright grasses. The bevelled end can be used for burnishing, scraping or as a palette knife.