Abstract: An ergonomic sheet metal hammer is disclosed, featuring a multifunctional design that enhances usability and efficiency in sheet metal work. The hammer includes a built-in drive slot for precise bending of sheet metal drives, an ergonomically configured handle to reduce fatigue, and a handle with a removable cap for storage. Additionally, the hammer head incorporates a 1?×1? measurement for quick reference and is marked with various measurement indicia for versatility in use. The invention aims to provide a comprehensive tool for sheet metal workers, combining functionality for bending, measuring, and marking in a single, ergonomically optimized device.