The Connoisseur 157 Series Rounds and 107 Series Flat Wash Watercolor Brushes are golden taklon and natural hair, flat wash brushes with square ends, set into a nickle plated, flattened ferrule and is attached to the unique Connoisseur clear acrylic handle with scraper edge. The 157 series rounds feature a precise blend of premium quality gold taklon and soft sturdy goat hair allows a springy, resilient response in a full figured round brush.  The 107 flat watercolor brush is designed to give a high color carrying capacity and free flow of color for laying in broad washes, while the chisel end creates firm, clean linear strokes.