2-sided Wooster Painter's Comb is most effective for cleaning paint off brushes immediately after painting. 30 tufts of non-rusting brass bristles break down thick paint residue, and can also clean the handle and ferrule without scratching. The comb side has 10 stainless steel pins for separating bristles to thoroughly clean out the brush heel and reshape the brush after cleaning to keep a sharp edge. Durable polypropylene handle. 1 In. W. x 3-1/4 In. L. block. 1 In. trim. 8 In. overall length.