Summarise the features of a hammer in just one sentence.
A hammer is a hand tool with a weighted head attached to a handle, used primarily for pounding nails into wood or other materials, as well as for demolition and bending or breaking objects.
Complete the following task based on the instruction and optional input provided.### Instruction:
Summarise the features of a hammer in just one sentence.

### Output:
A hammer is a hand tool with a weighted head attached to a handle, used primarily for pounding nails into wood or other materials, as well as for demolition and bending or breaking objects.