Based on this product's specifications, here are some alternatives and similar models
Hex key Proline 48442P — 2.5 mm metric, single piece
Summary description:
Proline 48442P is a single-piece metric hex key sized 2.5 mm. Designed for driving hex (Allen) fasteners, this compact tool suits assembly, maintenance and repair tasks on machinery, furniture and electronics where a precise 2.5 mm hex is required. Simple, single-size format for targeted use and portability.