CMS Magnetics® Grade N52 Super Strong Neodymium Magnet Ring OD1.26" x ID 1/2" x 3/8" - Rare Earth Magnet Ring for Classroom, Science Project and DIY Applications - One Pack

Powerful Magnets: Incredible Holding Power for its Size, Grade N45 - 69 lb Per Magnet Under Ideal Conditions, 13,500 Internal Gauss. Stronger than N42 Numerous Applications: Useful Magnets for Science Experiments, Classroom Magnets, School Projects, Holding, Home Improvement, DIY Projects, Speakers, Arts and Crafts and Much More Best Coating Available: Ni+Cu+Ni Triple Layer Coated. Shinny and Corrosion Resistance Top Quality: These are the Highest Quality Magnets Made under ISO 9001 Quality Control Systems. All Tolerances are +/-0.002" International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions.