Based on this product's specifications, here are some alternatives and similar models
Replacement Ni-Cr Blade 25 cm for Dedra Knife DED7519
Summary description:
Replacement Ni-Cr (nickel-chromium) blade 25 cm compatible with Dedra knife model DED7519. Designed as a spare cutting blade, it provides corrosion-resistant Ni-Cr composition suitable for general slicing and cutting tasks. Intended for use as a direct replacement to restore cutting performance and extend the service life of the DED7519 knife.