440-Piece Multi-Size Magnet Kit – Includes 4 versatile sizes (3x2mm 140pcs, 4x2mm 100pcs, 5x2mm 100pcs, 6x2mm 100pcs) for office tools, kitchen cabinet decor, whiteboard memos, and precision 3D printing projects. Strong Neodymium Power – Tiny rare earth magnets deliver exceptional grip for DIY crafts, lightweight fixtures, and creative displays, despite their compact size. Durable and Rust-Resistant: Each magnet is coated with a layer of nickel, ensuring long-lasting durability and protection from corrosion. These magnets stay strong and look great over time Universal Practicality – Perfect for organizing workspaces, securing notes, assembling models, or adding magnetic functionality to cabinets, whiteboards, and hobby projects. Trusted Quality Assurance – Crafted by magnet specialists using premium materials, backed by reliable durability and responsive customer support for worry-free use. Specifications: Material: Neodymium (Rare Earth) Coating: Nickel-plated for added durability and corrosion resistance Quantity: 440 pieces (3x2mm 140pcs, 4x2mm 100pcs, 5x2mm 100pcs, 6x2mm 100pcs) Sizes:3x2mm,4x2mm,5x2mm,6x2mm