The brushes are made of 100% pure stiff horsehair tied with a steel staple to a tin-plated tube handle. Approximately 5 in. L and 1/2 in. W.
HDX 3/4 in. Heavy-Duty Fitting Brush 80-719-111 - The Home Depot
72 PIECE 3/8 in. Horsehair Bristle Acid Shop Hobby Brushes Glue
Roof Brush - 3 Knot, White Tampico Fiber - Ox Tools (PK 4
HDX 20 in. Gong Scrub Brush 226MBHDXRM - The Home Depot
HDX Acid Brushes (3-Piece) - Yahoo Shopping
Acid Brushes (General-Purpose, Flux, Craft), 3/8
Pro Grade - Acid Brushes - 36 Count 3/8 Inch Boar Hair
HDX 2 Inch Acid Proof Stiff Bristle Grout Brush – Tool Mart Inc.
Pro Grade - Acid Brushes - 36 Count 1/2 Inch Boar Hair