Product Review

The picture hangers super hook is easy to use and no tools needed:
1.Put the pointed tip of the hook on the wall, and hold the rounded part in the palm of your hand.
Apply a firm pressure and twist the hook into the wall
2.Once it is through the wall, turn the hook upward
3.Push it completely into the wall until only the hook is exposed

IMPORTANT: 
Super strong hook suitable for drywall, plaster and paneling.
Not applicable for brick wall and concrete.