The "Wooster 3/8" Ox Hair Letterer Artist Brush" is a specialist paintbrush made by the Wooster Brush Company. Let us break down its components:
Wooster: This is the brand name for the brush, which is manufactured by the Wooster Brush Company.
3/8" refers to the brush's breadth. In this case, it measures 3/8 of an inch wide. This signifies that it's a little brush, ideal for detailed work or smaller surfaces.
Ox Hair: This is the type of bristle used in the brush. Ox hair is a natural substance recognized for its softness and fine texture, making it ideal for intricate painting projects.