Three Fan Brushes sizes 5, 6, and 8. Handle length: 10 inches. Natural bristle is very elastic and resilient. During lifetime, the tip splits into two or more "flags", thus enabling the bristles to absorb enough color. We carry a selection of the best handmade bristle brushes at Nessentials. The RUBENS Interlocked Artist's" Bristle brushes. These brushes are made from the best curved Chungking bristles. The interlocked construction (several inward-curved bundles of bristles are tied up) is a challenge for a brushmaker and requires a lot of diligence and experience. All brushes in seamless nickel plated ferrules with long lacquered handles. Handmade in Germany by Leonhardy. Nessentials Brushes.