Round Parts Cleaning Brush with Wood Handle These round brushes have thicker bristles than an artist/painters brush. Hang, lay or stick in a flower frog, these brushes add great texture to any vignette. A. Longer brush with silver. Approximately 11 1/4″ long and 1 1/4″ diameter B. Shorter with darker metal. Approximately 10 3/4″ long and 1″ thick diameter