Freud D0704DH Diablo 7-1/4-Inch-by-4-Tooth Polycrystalline Diamond Tipped TCG Hardie Fiber Cement Saw Blade with 5/8-Inch Arbor N/A Imported The product is 7-1/4x4T Cement Blade Easy to use The product is manufactured in Italy The only approved James Hardie polycrystalline diamond (PCD) tipped fiber cement saw blade The PCD triple chip design offers up to 60-times longer cutting life than standard carbide blades The only approved James Hardie polycrystalline diamond (PCD) tipped fiber cement saw blade The PCD triple chip design offers up to 60-times longer cutting life than standard carbide blades The laser cut thin kerf design gives fast and precise cuts with less dust and waste. Anti-vibration design stabilizes the blade and reduces noise while cutting and Non-Stick Perma-Shield coating to reduce heat