Buy Series 4031 Mack Fitch Brushes for sale here. These Lettering Fitches are a Soft Hair Fitch Brushes, buy these Made from Russian Sable Hair here, with a seamless nickel ferrule, they have a long gold handle with a black tip and the end is square, hand cupped to a sharp chiseled edge. One of the most important brushes for the professional sign painter. This soft hair Fitches is constructed with premium materials to provide excellent handling qualities. Used in lettering paints for layouts, outlining, pictorial and tight work.