- Shape: Hook - Magnetic Face: 16mm dia - Grade: N52 - Material: NdFeB - Vertical Pull (Kg): 5.5 Package included: -10* Magnetic Hooks (Dia:16mm) - These magnets are 16mm dia x 35.7mm from the magnetic face of the magnet to the top of the hook. - 16mm dia x 35.7mm thick N38 Neodymium Clamping Magnet with Hook from the back. - The Pot magnet base is 5.2mm tall from the magnetic face of the magnet to the top of it's threaded collar. - These Magnets are plated with 3 layers of protective coatings - Nickel + Copper + Nickel (Ni-Cu-Ni). - Fixing: Clamping Magnet - we put this hook on a 10mm thick plain iron ceiling, and it can hooks 5.5kgs, the power reduced by 2/3 when using it vertically. - please always reminded that the magnetic power would affected by the surface, meterial and some other factors.