PFERD scratch brush is manufactured to exacting standards on state of the art production equipment. This ensures that all wire tufts are precision located in the block to ensure uniform and consistent brushing performance and long service life. Quality scratch brushes for maintenance Curved handle, hardwood applications. Removal of rust, paint, scale, dirt and other debris. Cleans metal parts, threads and much more. Premium hardwood scratch brush blocks are kiln-dried to keep wire tufts firmly in place and hand-selected to ensure straightness and quality. Specification: Wire Rows: 3 x 19; Brush Part Length (Inches): 6-1/4; Block Size Length X Width (Inches): 13-3/4 x 7/8; Trim Length (Inches): 1-3/16; Wire Type: .012 Carbon Steel.