Jack Richeson 9000 Series Synthetic Short Handle Watercolor Flat Brush, 1-1/2-Inch These Brushes Have Seven Different Types Of Pointed Synthetic Fibers Blended To Create A Marvelous Artists Tool These Brushes Come To A Razor Edge For Fine Lines or Cut-In Work The Brushes Have A Silver Seamless Ferrule and A Beautiful Black Handle With Gold and Yellow Trim The Ferrules On The 9010 Flat Are A Round Base Up To 1 Inch and The Larger Sizes Are A Folded Flat Base