This is a matter of knowing what length and weight you need, what type of face it should have (textured for grip or smooth), and what should be on the opposite end of the head from the face (usually a ...

Many hammer part names are inspired by human anatomy and labeled as the face, neck, eye, cheek, claw/back, handle, and grip. The head of a hammer includes the face, neck, eye, cheek, and back part.