2 Eye Bolt Neodymium Hook Magnets - each holds 80 lbs - Neodymium Rare Earth Magnet, Grade N48 2 hook magnets - each holds up to 80 lbs. 80 lb capacity is based on horizontal application -- reduced by 2/3 if used vertically Hook Size: 1 5/8" base X 1 3/4" high. Thread Size: 3mm machine thread Eyebolt is removable and may be replaced with other threaded parts These magnets are ideal for the adult inventor, manufacturer, researcher, DIYer, problem solver, etc