NiRON MAGNETiCS

Niron Magnetics Weaker hard ferrite (iron-oxide) permanent magnets typically max out at around 0.35 tesla. The world's strongest permanent magnets made of neodymium measure around 1.4‑1.6 teslas. Niron's Clean Earth iron nitride permanent magnets peg the meter at 2.4 teslas.
https://www.youtube.com/watch?v=EXOO_JFPIBU
The Magnet That Could End Electricity Bills Forever!