Based on this product's specifications, here are some alternatives and similar models
Pole mount by ergonomic solutions — 400 mm pole with top mount (HMSHOST-INT4-02)
Summary description:
This 400 mm pole with top mount from ergonomic solutions (model HMSHOST-INT4-02) is a compact mounting pole designed to support monitor arms, accessories or small fixtures. The top mount provides a secure attachment point. Suitable for office or professional environments where a short, sturdy pole is required for ergonomic mounting and space-saving installations.