Aluminum Cutting Circular Saw Blade, 8", 58 Teeth, Plastic/Non-Ferrous UseTeeth designed for clog free cutting and smooth finishes Engineered with cobalt infused tungsten carbide to extend cutting life Cobalt infused tungsten carbide to maintain tip sharpness Laser cut vibration dampening slots and expansion joints to minimize heat, sound, and noise Laser cut blade to reduce wobble and vibration Ideal for dry metal cutting Designed for clean cutting in non ferrous metals with a burr free finish Cuts cooler for immediate