Copper hammer finish is a specific surface treatment of copper that is created by working the metal with a hammer or similar tool. This technique produces a distinctive, textured surface with small dents and irregularities, giving the material a unique, handcrafted appearance.

The hammered surface reflects light in interesting ways, resulting in a vibrant shine that varies depending on the angle of light. Copper hammer finish is often used in art, crafts, and interior design, for example, in decorative elements, kitchen utensils, or furniture. The combination of aesthetics and the natural patina that copper can develop over time makes it a popular material for various applications.