Human: What are the benefits of using a rotary tool? Assistant: 
The main benefit of using a rotary tool is that it allows you to work with different materials and finishes quickly. It can also be used for cutting, shaping, sanding, and polishing wood, metal, plastic, fiberglass, and other materials. Additionally, it provides an ergonomic design that makes it easier to handle and use than traditional tools. Finally, it has many attachments that allow you to do more complex jobs without needing additional tools.