DEWALT DW3768-5 3-Inch Masonry Board Cut Cobalt Steel T-Shank Jig Saw Blade (5-Pack) Medium carbide grit offers the ability to cut in hard materials The size of these blades makes them ideal for making precise, intricate cuts. Used to cut a wide variety of hard materials including tile, brick, and other masonry products Medium carbide grit offers the ability to cut in hard materials