Based on this product's specifications, here are some alternatives and similar models
Adapter Metabo for Mobile Workshop 628829000 — for BS 14.4 / PowerMaxx BS 12
Summary description:
Adapter Metabo 628829000 designed for use with Mobile Workshop systems and compatible with BS 14.4 and PowerMaxx BS 12 drill/driver models. Provides secure mechanical connection between tools and the workshop unit for organized storage and quick access. Useful for workshops and mobile service technicians who need reliable tool mounting and fast deployment.