This DEWALT Extreme PCD Fibre Cement Saw Blade has the following specification: Blade Diameter: 160mm. Bore Size: 20mm. Tooth Count: 4. Kerf Thickness: 1.8mm. Plate Thickness: 1.4mm. Grind: FTOP. Rake Angle: 12. The DEWALT Extreme Cement Saw Blade features synthetic PCD (Polycrystalline Diamond) tipped teeth. These PCD coated teeth provide 100% longer life in fibre cement than TCT tipped blades. The laser cut blade features anti-vibration body slots and precision ground tips. The blade design also helps to reduce dust production when cutting fibre cement materials. Suitable for cutting a range of materials including fibre cement board, laminate/pre finished flooring, MDF, plywood, etc.