Pferd Scratch Brush, 6-1/4 in Brush, 13-3/4 in L x 5/8 in W Block, 1-3/16 in Trim Length, Carbon Steel Trim, 4 x 19 Rows, Curved Handle, Wood Handle. Ensures that all wire tufts are precision-located on the block to ensure uniform and consistent brushing performance and long service life. Premium hardwood scratch brush blocks are kiln-dried to keep wire tufts firmly in place and hand-selected to ensure straightness and quality. Pferd 85006 Scratch Brush, 6-1/4 in Brush, 13-3/4 in L x 5/8 in W Block, 1-3/16 in Carbon Steel Trim