D75mm Max 500lbs Pull Force Recovery Detector Treasure Hunting Neodymium Fishing Magnet With Rope has become a veritable sport. The objective is to retrieve metal objects from well shafts, rivers, lakes etc using magnets. With the help of our magnets, customers have salvaged age-old cannonballs, but also rusty
bicycles, nails and more.
A pot magnet is a magnet that has been embedded in a steel pot. The steel pot increases the adhesive force of the magnet when making direct contact with a thick iron surface. In contrast, neodymium magnets without pots have a stronger adhesive force at a distance. Click here for more info.