Engineered for precision and efficiency, this 9-inch bi-metal reciprocating blade set from Diablo Tools is designed specifically for cutting thin metal materials under 1/8 inch. Each blade features a dual tooth design and an impressive tooth count of 20/24 TPI, ensuring clean, accurate cuts with minimal vibration thanks to its 1-inch demolition body. Enhanced with an ultra-hardened edge that boasts a Rockwell hardness of HRC 62, these blades outlast standard options, while the Perma-shield coating provides protection against heat, gumming, and corrosion. Ideal for both professional and DIY projects, this five-pack offers a reliable solution for all your metal cutting needs.