They are STRONG and will hold lots of weight without any slipping.

Super strong neodymium magnet hooks assembly are made of neodymium magnet with nickel coated, pulling force can reach 20kg (Approximately)

Magnetic Hooks can be used all around the house, office and warehouse.

Wide applications, hang tools, keys or kitchen utensils from metal doors, refrigerators, filing cabinets or any ferrous metal surface. You can depend on these magnets to hold everything very reliably. Their range of shop, household, office or point-of-purchase uses are nearly unlimited.

These magnets are 25mm dia. x 32mm from the magnetic face of the magnet to the top of the hook.