2 Pack Metabo HPT 18008 7-1/4" x 4 Tooth Circular Saw Cross Cut and Sizing Hardiblades 5/8" Arbor

Hitachi 18008 Hitachi's Hardie-Blade is recommended for cutting all James Hardie Products. This Polycrystalline Diamond technology provides more durability and a longer cutting life than other diamond or carbide tipped blades. Polycrystalline Diamond is a diamond powder made from graphite. These diamonds are the only type that possess self-sharpening properties. 5 times longer cutting life than other diamond tipped blades and 30 times longer than traditional carbide blades.