The Ridgid 5.5in. Multi-floor Saw Blade is a brand new diamond saw blade designed for industrial use. With a diameter of 5-1/2 inches, this high-quality blade is perfect for cutting through various materials with precision and ease. Made by RIDGID, a trusted brand in the industry, this unit is a reliable and durable tool that will help users achieve efficient and accurate cutting results on multiple floors or surfaces.