Pack of 4 Ring Magnets: Diameter 70 mm x 32 15 Ferrite Magnet with Hole, Magnetic Heavy Duty Magnets Disc Hole for Industry, DIY, Crafts, Science Projects

Magnetic performance: grade 8 ferrite ring magnet, anti-demagnetization, anti-corrosion, anti-oxidation. Durable ring magnets, magnetic disc with hole ring, magnetic ring the magnetic force never decreases, a magnet can hold up to 8 pounds securely on a magnetic surface or a metal stand. Outer diameter: 70 mm. Inner diameter: 32 mm. Thickness: 15 mm. Strength and durability: ferrite magnets are extremely resistant to demagnetization, corrosion and oxidation. Our round ferrite ring magnet with hole are the strongest ceramic magnets for craftsmen and DIY enthusiasts. Easy to use: the surface of the craft magnet ring is smooth and rust-proof and can be attached to any non-metallic surface with adhesive or adsorbed directly on the metal surface. This craft ferrite ring magnet, heavy duty ring magnets magnet disc is industrial grade and is ideal as a magnet for a variety of DIY projects and science projects. Widely used: Strong ferrite magnets can be used directly in offices, basements, garages and warehouses for tool storage, sealing bags and craft projects. Can also be used for school experiments and home storage. Ferrite ring magnet with hole is also ideal for use at home, workshop and tool storage. Intelligent choice: These ring ferrites are magnetically similar to neodymium rare earth magnets and are cheaper than these. These ring magnets have industrial strength, magnetic ring are ideal for home, office, school, crafts and science projects.