Roller tool cabinets are popular primarily due to several key advantages they offer:

1. Portability: Wheels allow the tool cabinet to be easily moved from one location to another, greatly facilitating users' transitions between different work areas.

2. Increased Efficiency: Workers and technicians can quickly bring all necessary tools to the job site, reducing time spent fetching tools and boosting productivity.

3. Flexibility: Suitable for various working environments such as workshops, factories, and construction sites, adapting to changing work needs.

4. Space-saving: When not in use, the cabinet can be easily pushed aside, minimizing space occupation, especially beneficial in limited-space areas.

5. Organization: Multiple drawers help categorize and store different tools and parts, maintaining a tidy and organized workspace.

6. Durability: Typically made from robust materials that can withstand heavy loads and have good wear resistance, ensuring long-term use.

These features collectively make roller tool cabinets the preferred tool storage solution for professional technicians, DIY enthusiasts, and various industrial applications.