Dewalt DT99561 XR Extreme Runtime Mitre Saw Blade 165mm x 20mm x 42T This XR Extreme Runtime Mitre Saw Blade can deliver up to 78 metres of cut when used with the 54v FLEXVOLT Mitre Saw in comparison to 53 metres when used with standard XR 18V Power Tools. The DT99561 with its 42 tooth configuration delivers fast and accurate cuts in heavy-duty applications. Perfectly suited to the cutting of large and thick timbers and various other site materials. This saw blade has been specially engineered to meet the DeWalt Extreme Runtime benchmark with twice the working lifespan and performance. 20mm bore to suit a variety of mitre saws. Features: Extreme Runtime Accessories optimised for FLEXVOLT Power Tools Nail Tough - perfect for cutting through nail embedded wood Increased efficiency for maximum cordless run time 2X life versus standard construction blades plus additional runtime / cuts per charge with FLEXVOLT battery & power tool) Ultra-thin kerf design for Fast Cuts Ultra-thin kerf design for Smooth Cuts; fast cutting, low cutting force, smooth cuts Very Fine Grade Carbide Tip for Long Life ATB+R Tooth Configuration for optimized Cut Quality Optimised Hook Angle for Low Cutting Force Body Expansion Slots for Low Vibration & Reduced Noise Optimised Face Shear for Fast Cuts Specification: Blade Diameter: 165mm Bore Diameter: 20mm Kerf Thickness: 1.76mm Plate Thickness: 1.20mm Kerf Type: Ultra-thin Number Of Teeth: 42 Tooth Direction: Clockwise Tooth Geometry: ATB+R Rake Angle: POS 10° Max RPM: 7000