The IRWIN PCD Fiber Cement Siding Saw Blade is a high-quality circular saw blade designed specifically for cutting fiber cement board and cement siding. Made of durable carbide material and featuring 4 teeth for optimal cutting performance, this blade is ideal for professionals and DIY enthusiasts alike. With a 7 1/4 diameter and blue color, this blade is compatible with various circular saw models and provides precise and efficient cutting results. The IRWIN brand is known for producing reliable tool accessories, making this saw blade a dependable choice for any project involving fiber cement siding.