Harbor Freight Tools Horsehair Bristle Acid Shop Brushes, 1/2-inch, 36 Pieces Go to amazon.com Related posts Which is the best flux brushes bulk? FeatureHeavy duty horsehair bristles handle everything from glue to oil to fluxMetal Tubular HandlesA good quality productoverall length DescriptionHarbor Freight Tools 36 Piece 1/2" Horsehair Bristle Acid Shop Brushes