These brushes can be used for buffing, polishing or cleaning jobs. Available in fine steel and brass (both have a 0.006" wire dia.), and white Tampico (a vegetable fiber) and black nylon. All four brushes have 4 by 16 rows with a bristle length of 1". The brush section is 5" in length set in a plain, curved, white hard wood handle 13" long by 1-1/8" wide.