Super Strong Neodymium Magnet: This powerful fishing magnet is made of neodymium and has a strong magnetic force. The 48mm super strong neodymium magnet can provide a maximum pulling force of over 85kg. Premium Quality Magnet: The super strong magnet with eyelet features a thick three-layer electroplating process (NI+CU+NI) and has a smooth surface. The powerful fishing magnets are waterproof, corrosion-resistant, and scratch-resistant. The bottom of this fishing magnet is a rare earth magnet, the rest is protected by non-magnetic steel cups. The magnetism does not lose its attractive force over time. Wide range of uses: Fishing magnets are mainly powerful magnets for fishing, lifting, hanging and holding, perfect for underwater treasure hunting and recycling iron and nickel recycled materials, such as coins, screwdrivers, knives, hooks, fasteners, nails and metals. It can also be used in garages, warehouses, kitchens, garden gondolas, hanging flower pots from eaves, cruise ships and