The Claw Hammer also known as a nail hammer, is a tool used to both drive nails into wood and remove nails and other fasteners from wood. It's the type of hammer most people are familiar with. It has two parts: head, usually made of steel, and a handle, made of a metal, wood and sometimes coated with rubber to help the user grip the tool. It is used to pound nails into wood or extract nails. The Claw Hammer is very effective and strong.