Faithfull Professional Triple Chip Ground TCT Circular Saw Blade with 7mm Tungsten Carbide Tipped teeth to ensure a long working life and accuracy of cut. Each blade has laser cut expansion slots to improve their performance by reducing heat build up. Negative rake blade (NEG) is advisable when the blade is taken to the workpiece. This blade has triple angle ground teeth and negative rake for use with Mitre Saws and Radial Arm Saws when cutting laminates and aluminium.