MIBRO’s 7-1/4 in. Circular Saw Blade 2-Pack is perfect for the home user and DIY enthusiast. The pack includes two blades: 7-1/4 in. x 20 Tooth Fast Cut, perfect for Framing and Ripping, and 7-1/4 in. x 40 Tooth blade, ideal for Framing and Finish cuts. Key features of both blades include: Large C2 carbide teeth for durability and lasting sharpness; Anti-kickback blade design for safe and smooth operation; Thin-kerf for faster, cleaner cutting; Hardened blade body that runs truer; Heat vents that indicate the blade direction and keep the blades cooler during operation.