The Renard Products Horse Hair Single Texture Brush is the perfect brush to use for all of the most popular drywall finishes. Horsehair fibers ensure long life and excellent patterning. The fibers are set and flattened in a clear lacquered hardwood block. Block diameter 4 1/2 inches. The overall diameter of the flattened single brush is 10 inches. You can also request this brush be unflattened. Accepts most standard threaded handles. Horse Hair 10 inches flattened diameter 7 inches unflattened diameter Texas made by Renard Products™