This hammer was made in Blender version 3.3.1. There are many types of hammers. This type of hammer is called a ball peen hammer. It is also called machinist's hammer. It has two heads, one flat and the other, called the peen, rounded. Ball-peen hammer heads are typically made of heat treated forged high-carbon steel. Besides for peening (surface hardening by impact), the ball-peen hammer is useful for many tasks, such as striking punches and chisels.