Based on this product's specifications, here are some alternatives and similar models
Polystyrene Polishing Disc for DED7767, Dedra DED77674 — accessory for polishing and finishing
Summary description:
Polystyrene polishing disc designed for use with Dedra DED7767 tools (model reference DED77674). This accessory is intended for polishing and finishing surfaces, providing smooth results on materials compatible with polystyrene pads. It fits the specified Dedra model and is suitable for detail polishing, surface smoothing and final finishing in workshop and DIY applications.