71⁄2" TCT Wood Saw Blade

Diameter: 7 1/2 inches (180mm). Teeth Count (40T): This is a "General Purpose" blade. With 40 teeth, it provides a balance between a fast cut (like a 24T ripping blade) and a smooth finish (like a 60T crosscut blade). Arbor Size: 22.23mm (This is the center hole size that fits onto your saw's spindle).