Which tool is designed to have a head that rebounds from solid metal parts?

The tool designed to have a head that rebounds from solid metal parts is the rubber mallet. The rubber mallet’s soft and flexible head allows it to absorb some of the impact when striking hard surfaces, which reduces the risk of damage to both the tool and the material being struck. This characteristic makes it particularly useful for tasks where precision is needed, such as assembling parts or driving wooden pieces without marring their surfaces.

In contrast, other tools like a steel hammer are rigid and transmit the full force of the impact, which can result in dents or damage to the material being worked on. A wooden mallet, while softer than steel, does not have the same level of rebound and is often used for specific tasks like working with chisels or delicate applications where less force is required. A wrench, on the other hand, is a tool for turning bolts or nuts and doesn't apply force in the same manner as a mallet.