General description Starrett Bi-Metal Unique Safe-Flex Hacksaw Blades are precision ground, super-efficient blades designed for cutting tough materials. Each blade measures 300mm (12 inches) in length and features a 24 TPI (teeth per inch) configuration, ensuring faster cutting and longer life. Technical specifications Blade length: 300mm (12in) Blade cross section: 13 x 0.65 mm (1/2 x 0.025 Inch) Teeth per inch (TPI): 24 Material: Bi-metal with high-speed steel cutting edge and tough alloy steel back Other information MPN: KBS1224-100 EAN: 7891265434012