Ring Magnets, Ferrite Magnet, 21 mm x 3 mm, Crafts, Crafts and Decorating, Magnetic Craft Accessories, Doughnut Shape, Pack of 100

• Pack of 100 ring magnets with hole for crafts and decorating.
• Pack of 100 Ring Magnet, Diameter 21 mm x 7 mm Hole x 3 mm Ferrite Ring Magnet with Hole, Magnetic Ring Heavy Duty Ring Magnets Magnetic Disc with Hole Ring for Industry, DIY, Crafts, Science Projects. Colour: black.
• The surface of the craft magnet magnetic 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.
• Ring magnet made of ferrite: the hole offers versatile possibilities. Ferrite magnet rings designed as speaker magnets are also perfect for building a Levitron and are also used in mechanical engineering.
• Useful magnets for science experiments, classroom magnets, school projects, holding, DIY, DIY projects, speakers, crafts and much more

Grade 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 securely on a magnetic surface or a metal stand.