This 2-Pack circular saw blade set from Mibro- a 60 plus year old company selected as one of Canada's " 50 Best Managed Companies" includes 1- 7 1/4 -Inch by 20 tooth fast cut circular saw blade, perfect for framing and ripping and 1- 7 1/4-Inch by 40 tooth blade, ideal for framing and finish cuts. The blades have a C2 carbide tips for durability and lasting sharpness; anti-kick back feature for safe and smooth operation; thin kerf for faster, cleaner cutting with a hardened body that runs truer; arrow shaped heat vents that indicate the blade direction and don't wear off.