These are specially made for craft work sewing and other hobbies that require a high quality light source to help with detailed work, jig saws, crosswords and the like.
They are also good on machines such as lathes and milling machines.

We also find them to be excellent reading lamps.

There is a good discount on a box of 10 lamps.

These are also known as:

hobby hobbylight craftlight work light desk light woodwork metalwork music