DEWALT DW3178 Series 20 7-1/4-Inch 24 Tooth ATB Thin Kerf Framing Saw Blade with 5/8-Inch and Diamond Knockout Arbor The product is 7-1/4" 24T Framing Blade Easy to use The product is manufactured in China Tougher tungsten carbide stays sharper longer Specially formulated anti-stick coating minimizes friction and gum-up for smoother cuts Thin kerf for fast and smooth cutting action Ribbed heat vents allow blade to run cooler, reducing blade flexing and binding All blades feature 5/8-inch arbor with diamond knock-out;