Which tool is commonly used for cutting through vehicle metal during extrication?

The hydraulic cutter is commonly used for cutting through vehicle metal during extrication due to its powerful cutting ability and precision. This tool is specifically designed to handle the dense and tough materials found in modern vehicles, which often include reinforced steel and aluminum. The hydraulic system allows for a significant amount of force to be exerted, enabling it to slice through structural components like frames and pillars efficiently and safely.

In extrication situations, time is critical, and using a hydraulic cutter allows responders to quickly access patients trapped inside vehicles without the prolonged effort that a manual tool like a hand saw would require. While other tools have their purposes, they do not match the hydraulic cutter's effectiveness in this specific task. For example, an electric drill is used for making holes rather than cutting through metal, and a wrench is designed for fastening and loosening bolts rather than cutting materials. Therefore, the hydraulic cutter is the ideal choice for this application, making it the correct answer.