Fine Watercolour Pure Kolinsky Sable Brush SetThis exclusive brush set by botanical artist Egle Kolev, contains all the essential brushes for detailed, expressive botanical watercolour work. The set of 6 brushes includes sizes 0, 1, 2, 4, 6 and Smoother brush perfect for everything from the finest lines to soft washes. Specially designed Smoother brush: a small pure sable brush with a slightly duller point, created specifically for the dry brush technique that my paintings are most known for.