Diablo HardieBlade(TM) is the only approved PCD (poly crystalline diamond) tipped fiber cement blade recommended by James Hardie Building Products. Diablo co-branded Diablo blade generates up to 5% less respirable dust, while delivering the longest life in all fiber cement materials. The PCD triple chip design offers up to 60X longer cutting life than standard carbide blades. The laser-cut thin kerf design gives fast and precise cuts with less dust and waste. The anti-vibration design stabilizes the blade and reduces noise while cutting and non-stick Perma-SHIELD(TM) coating to reduce heat.