Multi-tools are versatile hand tools that combine several functions into one compact device. They typically include features like pliers, screwdrivers, knives, and can openers, making them useful for various tasks, from camping to everyday repairs. Their design allows for easy portability, often fitting in a pocket or on a keychain. These tools are popular among outdoor enthusiasts, DIYers, and professionals alike. Brands like Leatherman and Gerber are well-known for producing high-quality multi-tools. The convenience of having multiple tools in one unit saves space and time, making them a practical choice for many situations.