Based on this product's specifications, here are some alternatives and similar models
Hacksaw Blade for Metal Irwin 150 mm, 14 TPI, 2 pcs
Summary description:
Replacement hacksaw blades for cutting metal by Irwin. Each blade is 150 mm long with a 14 TPI (teeth per inch) tooth count, supplied as a pack of 2. Designed for use in compatible hacksaws for general metalworking tasks such as cutting pipes, profiles and sheet metal. Provides consistent cutting performance and easy replacement.