DEWALT DW3330 7-1/4-Inch Iron and Steel Cutting Segmented Saw Blade with 5/8-Inch and Diamond Knockout Arbor The product is 7-1/4" Stl/iron blade Easy to use The product is manufactured in China Precision sharpened teeth for fast, smooth cuts and longer life Blade coating prevents rust and reduces friction Thicker body provides increased durability in heavy-duty applications Fully hardened steel body prevents blade warping and binding