Spencer 40Pcs 8x20mm N45 Strong Cylinder Magnets Block Rare Earth Neodymium Magnets Permanent Magnetic Cylinder, 0.3 x 0.8 inch

<p>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: 0.3 x 0.8 inch (8 x 20 mm); Grade: N45. These powerful rare earth magnets are ideal fasteners for a variety of arts &amp; 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.</p>

• 40 Pieces Strong Neodymium Rare Earth Cylinder Magnets, Size 8x20 mm.
• Material: Superior-grade neodymium, iron and boron compound.
• Magnets Coated: Ni+Cu+Ni Triple Layer Coated.
• Durability: Wear-resistant, corrosion-resistant, high-temperature resistant, anti-oxidant.
• Can be used for everything including fastening, lifting, hanging objects, refrigerator magnets, shower doors, work or office, scientific uses, arts and crafts.