Based on this product's specifications, here are some alternatives and similar models
Replacement blades for Dedra DED7603 - pack with compatible cutting blades
Summary description:
Replacement blades designed for use with the Dedra DED7603 model. These are spare cutting blades intended to restore or maintain cutting performance of the tool, suitable for routine blade replacement. Use cases include renovation, DIY projects and workshop tasks where a fresh blade is required for accurate and efficient cutting. Compatible with the specified model only.