Professional brush family made of synthetic hair, for effective work. Thanks to the synthetic hair, the paint is released evenly. Aurore Boreale decorative synthetic hair brushes feature a precise design and eye-catching finish, so you always have the right brush for your next job. 9mm long 1mm thick, evenly dense brush. The bristles narrow as they converge to a single point at the end. The design makes it suitable for painting even, stable, 1-2mm thick, straight, angled, long lines. Recommended: for painting long, straight, stable lines 1-2 mm thick.