DEWALT DW9053 5-3/8-Inch 80 Tooth Paneling and Vinyl Cutting Steel Saw Blade with 10 mm Arbor Tougher tungsten carbide stays sharper longer Thin kerf for fast and smooth cutting action All blades feature 5/8" arbor with diamond knock-out Specially formulated anti-stick coating minimizes friction and gum-up for smoother cuts Ribbed heat vents allow blade to run cooler, reducing blade flexing and binding