General description Starrett Bi-Metal Unique Safe-Flex Hacksaw Blades are precision ground, super-efficient blades designed for faster cutting and longer life on tough materials. Each blade features a high-speed steel cutting edge welded to a tough alloy steel back, ensuring optimum tool life and high resistance to breakage. Technical specifications Blade length: 300mm (12in) Teeth per inch (TPI): 18 Blade cross section: 13 x 0.65 mm (1/2 x 0.025 inch) Pack quantity: 100 blades Manufacturer Part Number (MPN): KBS1218-100 EAN: 7891265434005 Other information