These neodym magnets are especially suitable for performing underwater searches.
This magnet is sold with a imbus bolt and an lifting eye nut to which the line can be attached.
The imbus bolt head is designed to ‘hide’ into the countersunk surface of the magnet.
This line can be used to pull the magnet over the bottom of a river or a canal to find various metal objects that are underneath the watersurface.
This magnet have been epoxified to protect it against acid , salt and corrosion.