Dewalt DT99576 Flexvolt Extreme Runtime Circular Saw Blade 305mm x 30mm 78T The DEWALT DT99576 Xtreme Runtime FlexVolt Circular Saw Blade, developed as a high performance blade that delivers fast and accurate cuts in heavy-duty applications. Perfectly suited to the cutting of large and thick timbers and various other site materials. Its extreme runtime design provides the blade with twice the working life span of its market competitors. Features: Extreme Runtime gives 2 x life vs standard construction Nail tough perfect for cutting through nail embedded wood Ultra thin kerf design for smooth and fast cuts, low cutting force Fine grade Carbide tip for long life Alternate Top Bevel + Right (ATB+R) tooth configuration for optimized cut quality Optimised .