These products are mainly used for Magnetic J Hook for Overhead Mounting

Pot Magnet Used: Round Base Magnet with Countersunk
OD 0.781 Inch, ID 0.176 Inch, Thickness 0.274 Inch
Round Base Magnet with Countersunk
Magnetic J hooks are slapped on walls without needing fasteners to hang and organize cables. They have a 22 pound pull out strength magnet to secure them to metal & steel surfaces and are made of stamped steel.