Faithfull Professional 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. Available in a variety of sizes with different tooth counts that allow the user to select the correct blade for the job in hand. All the blades in this range fit most popular makes of power machines. This Faithfull TCT Circular Saw Blade has the following specification: Application: Fast Rip. Blade Diameter: 180mm. Bore: 16mm. Teeth: 12. Rake: POS.