Pure Squirrel-Synthetic Mixture Long Length Seamless Nickel Ferrules Dark Brown Handles One Stroke Lettering The Series 1962 is an excellent overall lettering brush. It is normally used for larger lettering and production lettering. It can also be used as a fill-in brush and an outliner for large letters. The long hair length allows the brush to carry a lot of paint. This brush is suitable for most surfaces. It is a mixture of pure blue squirrel and Synthetic hair. It has a flat ferrule and the hair comes in graduated lengths.