The Winsor & Newton Cotman (series 666) size 1/4 inch one stroke brush, is a watercolour brush specifically designed to provide balance & comfort when painting. The re-developed blend of special synthetic fibres gives the brush greater ability to make larger washes or longer lines, without the need to recharge the brush with colour. The colour carrying capacity of the brush has been increased by up to 50%. The Winsor & Newton Cotman (series 666) size 1/4 inch one stroke brush originally designed for sign writers to execute the mark in one stroke. 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.