Made with superior grade hand selected Chungking bristle. Connoisseur white bristle is interlocked to give the artist better control. This along with the natural curve of the bristle gives the brush maximum color carrying capacity. The seamless copper ferrules are sealed on to the perfectly balanced long handles. Perfect for oil and acrylic. Long Filberts encourage a more painterly brush stroke, holding more color with a greater spring than a traditional filbert. The length of the handle allows the painter to stand back from their work, view it at arms length, and yet continue to work! Connoisseur Fine Art brushes, made in Japan, are guaranteed for the life of the brush against defects in materials or manufacturing.