IRWIN Tools MARATHON Carbide Cordless Circular Saw Blade, 5 1/2-Inch, 18T Carded (14011) This product is easy to use This product is highly durable This product is manufactured in China 5 1/2" diameter, 24 teeth, universal arbor, .067" kerf Made of finest alloy saw steel and precision ground to exacting standards Stays sharper longer but can be resharpened