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

Magnetic Coating - Triple coated. The high-quality coating provides a glossy, rust-resistant finish. POWERFUL MAGNETS - Made from the strongest magnetic material! Strong adsorption; each magnet has a holding force of at least 18 pounds, with direct contact and pull. Magnet dimensions: 30 mm diameter x 3 mm thickness. Tolerance: ±0.2 mm x ±0.2 mm. DIY Projects and Science Experiments - Use them for refrigerator magnets, shower doors, work or office magnets, scientific applications, kitchen utensils, crafts, or classrooms.