DEWALT DW3718-5 3-Inch Masonry Board Cut Cobalt Steel U-Shank Jig Saw Blade (5-Pack) Medium carbide grit offers the ability to cut in hard materials Used to cut a wide variety of hard materials including tile, brick, and other masonry products U-shank design fits all DEWALT and most jig saws Medium carbide grit offers the ability to cut in hard materials