50 Pound Hooks - Neodymium Rare Earth Magnet, Grade N48 Two (2) hook magnets - each holds 50 pounds. 50 Pound capacity is based on horizontal application -- Reduced by 2/3 if used vertically Hook Size: 1 3/8" diameter x 1 3/4" high. Grade: N48. Coating: Zinc plated steel. Pull Force: 50 Pounds. Eye bolt is removable and may be replaced with other threeded parts. These magnets are ideal for the adult inventor, manufacturer, researcher, DIYer, problem solver, etc.