Are the magnetic hooks heat resistant?
No, the magnetic power will be influenced by high temperature over 176 degrees Fahrenheit.
How much could the magnetic hooks hold?
The magnetic hooks could hold about 140lbs max in a vertical way and hold about 35lbs in a lateral way.
Are the magnetic hooks easily rusted?
No, the magnetic is covered with NiCuNi plating that protect the magnet from being rusted easily. But if you have used it in a wet environment for a long time, the magnet and the metal cover could probably be rusted.
Can I use the magnetic hooks for haning keys, wreath and clothes?
Of course the magnetic hook is a good choice for hanging those things.
What should I do if the magnet slides off the surface?
Please check the attached surface is magnetic and the magnet should be completely attached on the surface. If it still slides down, then return it with no risks