Hitachi 18008 HardiBlade 7-1 4-Inch 4-Tooth PCD Fiber Cement Saw Blade with 5 8-Inch and...

Hitachi 18008 Hitachi's new Hardie-Blade features polycrystalline diamond technology that provides more durability and a longer cutting life than other diamond or carbide tipped blades. The 7-1/4-inch polycrystalline blade is a diamond powder made from graphite, and are the only type that possess self-sharpening properties. Perfect for multi-plank cutting, this saw blade can cut up to 5 planks at once, and ensures over 1,000 cuts per blade.