How big is a multi tool knife?

A multi-tool knife typically ranges in size from about 3 to 6 inches in length when closed, making it compact and portable. When opened, the size can extend to 8 inches or more, depending on the specific tools included. The weight usually varies between 5 to 12 ounces, depending on the materials and number of functions. Overall, they are designed to fit comfortably in a pocket or a toolkit.