Series 1823 fat filbert is excellent for detail, miniature and precision painting. * Expertly shaped, they are unmatched for spring, resiliency, color-carrying capacity and ability to hold their shape. * Color can be spread thinly and evenly for subtle shades of color, structuring or layering. * See also da Vinci"s Series 1833 Smooth Oil Blender for extra thick oil brushes. * Certified green manufacturing with sustainable wood handles. handmade in germany at our family owned factory since 1890.