4PCS Neodymium 15mm x 15mm x 3mm Mini Square Magnets

– Powerful Neodymium Magnets crafted from premium-grade neodymium steel. – Heavy-duty rare earth magnets guarantee a strong hold that can hold up several papers without sliding. – Triple Layer Protection coating of nickel-copper-nickel, which prevents corrosion and extends the lifespan of the magnets. – And smooth rounded edges for safety and to prevent scratching surfaces. – Versatile Applications and ideal for conducting scientific experiments, arts and crafts projects, enhancing home décor, organizing tools in the garage, displaying photos, etc. – Consists of four 15mm square magnets.