300KG Vertical Super Strong Fishing Magnets Salvage Neodymium Magnet D74*16mm Magnetic Material for Searching Treasure in Water300KG Vertical Super Strong Fishing Magnets Salvage Neodymium Magnet D74*16mm Magnetic Material for Searching Treasure in Water
Price: Features: –Mainly made up of N52 neodymium magnet and a steel shell, it canconcentratethe magnetic field on thebottomof magnet whichincreasethe magnetic force by2.5-4 timescompared to the naked magnet .