Based on this product's specifications, here are some alternatives and similar models
Transport trolley Rittal 4050.000 — plastic and steel transport trolley, black/white
Summary description:
Rittal 4050.000 is a transport trolley constructed from plastic and steel, offered in black and white. Designed for moving equipment and goods, it combines durable steel elements with plastic components for practical handling. Suitable for warehouse, service or workshop use where a robust, mixed-material trolley is required.