This river and lake fishing magnet has minimum of 405 lb holding power.
This neodymium round base magnet is made of a super strong neodymium magnet encased inside a chrome plated steel cup. The neodymium magnet is bonded inside of the cup with adhesives. This design forms a magnetic circuit which triples the holding force to 405 lbs! At the same time, the steel cup also protects the magnet from being damaged when frequently used. The eyebolt is provided for easy use but you can replace it with your own designs.
The holding power of 405 lbs is under the direct contact with the steel. The outer diameter of the magnet is 2.95" (75mm). The thickness of the assembly is 0.71" (18mm). .
The applications of this cup magnet include magnetic holding, lifting, positioning, retrieving, and lake or river fishing.