Mill-Rose manufactures brushes as tiny as 0.018 in. diameter used in medical applications. The company specializes in manufacturing brushes used in new and unique applications. Many of these brushes are brushes that do not actually brush, and are used in all types of manufacturing where off-the-shelf brushes simply don't work. This literature describes Clean-Fit products and Mill-Rose Laboratories, a division supplying the medical community. Information: www.millrose.com .