Hacksaw blade is crafted from bi-metal, combining high-speed steel (HSS) teeth with a flexible spring steel back. This construction ensures exceptional performance and durability., Bi-Metal Hacksaw Blade is designed to cut through a wide range of materials, including metal, plastic, wood, and other materials found in various DIY projects and professional applications., 1/2-inch width of the blade makes it compatible with standard 12-inch hacksaw frames.