Based on this product's specifications, here are some alternatives and similar models
Rotary MicroSpeeder with Joint 8 mm — Proxxon 23045
Summary description:
Proxxon 23045 MicroSpeeder is a rotary tool attachment featuring an 8 mm jointed shaft for precision work. Designed to extend reach and provide flexible access, it suits detailed grinding, polishing, engraving and model-making tasks. The joint allows angled operation in confined spaces and enhances manoeuvrability when used with Proxxon rotary systems.