Mack brush outliner brush series 838 full set, sizes 1-6.  The brush hair is blue squirrel and black ox mixture, it has a nickel ferrule with a plain varnished wooden handle. The hair in the series 838 is very strong, but will not hold as much paint as the Mack series 839 outliner. This brush is great for outlining letters, for scroll work and applicable sign work. The Series 838 is suitable for most surfaces. Andrew Mack Brush Company.

Set includes 1 of each size 0, 1, 2, 3, 4, 5, 6

Graduated hair lengths: 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