Milwaukee 48-40-4140 Circular Saw Blade 7-1/4-Inch High Speed Steel Slotted Metal Cutting Saw Blade with 5/8-Inch and Diamond Knockout Arbor The product is easy to use The product is durable The product is manufactured in Japan 7-1/4 in. diameter steel teeth, Cuts Ferrous Metals 5/8 in. arbor with diamond knockout Regular kerf Plywood and paneling blade Limited Warranty