PRINCETON Aqua Elite - Synthetic Kolinsky Sable - Short Handle - Long Round - Size 8 (4.6 x 25mm)The PRINCETON Art & BRUSH Co make some of the best synthetic fibre watercolour brushes available. This series is their synthetic Kolinsky sable and is designed with a belly to hold liquid and a fine point for detail. This is the long round that feels more like you are reaching into the painting to draw in detail. Popular with artists who prefer the sketching over traditional watercolour.