Spencer 20 PCS Super Strong Neodymium Magnets 0.4 x 0.8 Inch Cylinder Magnets Permanent Rare Earth Magnets Circular Magnets Rod 10mm x 20mm

Rare earth neodymium magnets also known as NIB or NdFeB magnets are comprised of a superior grade neodymium that provides a strong magnetic force and plated with nickel alloy for long-lasting durability and protection against corrosion. Approximate size of the magnetic cylinder: 0.4 x 0.8 inch (10 x 20 mm); Grade: N45. These powerful rare earth magnets are ideal fasteners for a variety of arts & crafts do-it-yourself jewelry-making woodworking and other hobby and home improvement projects. Warm Reminder: Our neodymium magnets are small and not suitable for children and pets. Please be careful not to hurt your fingers. Do not separate directly Keep a safe distance.