Profile: Aisen Magnets specializes in manufacturing neodymium magnets. Our products are widely used in automotive, clean energy, consumer electronics, sound device, health care, separation filtration equipment, and other industries. Our 50x50x25mm square retrieving magnet is made of neodymium magnet. This magnet is suitable for underwater salvage, hanging, lifting, and retrieving applications. This magnet is provided with countersunk hole, and can be mounted by eyebolt, hook, and knob. Two sided treasure search magnet offers both vertical and horizontal lifting ability.