Find the odd number / letters / word from the given alternative.

Screw
Hammer
Needle
Pin E. Nail

The odd one out is C, needle. The other four items are all tools used to fasten or join things together, while a needle is used for sewing.

A screw is a thin, cylindrical piece of metal with a spiral groove on its outside that fits into a matching groove in a piece of wood or other material. When the screw is turned, it forces its way into the material and creates a tight joint.

A hammer is a tool with a heavy head and a handle, used for driving nails into wood or other materials.

A pin is a small, thin piece of metal with a pointed end, used for fastening or holding things together.

A nail is a thin, pointed piece of metal with a head, used for fastening things together by driving it into wood or other materials.