Carbide Tipped Thin Kerf Ripping Mamba Contractor Series 8-8-1/4 Inch Dia x 24T, FT, 15 Deg, 5/8 Bore with Diamond Knockout Circular Saw Blade. Laser cut plate, bore, expansion slots and stabilizer vents• Thin kerf blades• Electrostatic Non-Stick CoatingAHMEGA