Ultra-powerful neodymium disc magnets, powerful rare earth magnets – 30 x 3 cm, 12 pieces

General Description: Ultra-strong neodymium disc magnets are made from the strongest magnetic material, offering strong adsorption with a holding force of at least 18 pounds. Each magnet is protected by a high-quality triple coating, ensuring a bright, rust-resistant finish. This product is ideal for various DIY projects and scientific experiments. Technical Specifications: Dimensions: 30 mm diameter x 3 mm thickness; Tolerance: ±0.2 mm. Applications: These magnets can be used in many applications, including: Refrigerator magnets, Shower doors, Work or office, Scientific uses, Kitchen utensils, Crafts, Classrooms, Other information