The product described is a vintage unmarked auto body hammer with a dual face design, one round and one square. This hand tool is used for shaping and repairing automotive body parts, specifically designed for body hammers and dollies. The hammer's dual face provides versatility in its use, allowing for various techniques to be employed in the repair and shaping of metal surfaces. This unique tool is perfect for automotive enthusiasts and professionals alike who value quality craftsmanship and traditional techniques in their work.