Crafted with care and shaped by hand, this oil and acrylic brush has a flexible hair bundle resistant to wear. The Chungking hog bristle hair bundle of this brush has a natural hardness and long flags enabling the paint to soak. An ideal brush for less dense oil painting technique and acrylic. The brushes have a flat (Gussow) shaped hair bundle to create sharp edges and straight lines. The hair bundle widths of the brushes included are 9.6mm, 13.1mm and 15.9mm