Upgrade your woodworking experience with our 4 - 1/2 inch circular saw blades. This pack of 4 includes 24 - tooth and 40 - tooth options, catering to different cutting requirements such as framing and ripping. With a 3/8" arbor (9.5mm) and 0.07" kerf (1.8mm), these blades are compatible with many 4 - 1/2" circular saws. The high - quality plate and thin kerf ensure fast, smooth, and clean cuts, while the tungsten carbide teeth offer excellent wear and heat resistance, along with toughness and a long service life. Whether you're working on hardwoods, softwoods, plywood, or other materials, these blades are your ideal choice for a wide range of woodworking projects.