This items is ferrite(pot)magnets with rotary stainless hook, which suit both for magnetic ceiling or wall hook. Ferrite swivel(rotary)magnetic hooks are more durable because of the corrosion resistant feature. We have white or black ferrite swivel(rotary) magnetic hooks for sale, and the sizes are available of 36mm and 52mm.
Like as common magnetic hooks, magnetic swivel hooks are also particularly suitable for using as magnetic ceiling hooks, and attached at the bottom of steel beams to carry vertical loads. The holding force when used as wall kooks depend on the smoothness of the wall. However, kitchen towels or portable tools can be hanged without problems
Neodymium swivel(rotary)magnetic hooks are super strong but expensive, they mainly used for heavy duty hanging,for hanging light objects, ferrite swivel magnetic hooks are better choice to save cost.