Diablo HardieBlade™ Saw Blade is the only PCD (PolyCrystalline Diamond) tipped fiber cement blade recommended by James Hardie Building Products. Diablo Fiber Cement Blades generate up to 50% less respirable dust*, while delivering the longest life in all fiber cement materials. Diablo’s HardieBlades™ feature a unique, spark-eroded Triple Chip grind for long life – up to 75X the life in fiber cement of conventional carbide blades Diablo’s HardieBlades™ are perfect for full time use in heavy duty applications like cutting multiple pieces of fiber cement board. * Dust generation does not necessarily correlate directly to exposure risk.