Mack brush outliner brush series 839 full set , sizes 0-6.  The brush hair is brown Kazan squirrel and black ox mixture, it has a round nickel ferrule with a black and gold painted handle. The hair in the series 839 is much softer than the 838 outliner and will carry more paint,. This brush is great for outlining letters, for scroll work and applicable sign work. The Series 839 is suitable for most surfaces. Mack Brush outliner series 839 full set

Full 839 series set includes 1 of each size; 0, 1, 2, 3, 4, 5, 6

Graduated hair lengths:  size 0 = 1 inch out, size 1 = 1-1/16 inches out, size 2 = 1-1/8 inches out, size 3 = 1-1/4 inches out, size 4 - 1-3/8 inches out, size 5 = 1-1/2 inches out, size 6 = 1-9/16 inches out