Weiler Wire Scratch Brush, Steel, Straight Wire, 0.014" Wire Diameter, 1-5/8" Bristle Length, 7" Brush Face Length, 2" Brush Face Width Block type scratch brush For rugged cleaning on bricks, stone and similar large flat areas 0.014 Round wire flat face fill material 6 x 19 number of rows 7-1/4" X 2-1/4" Block Size