5PCS Neodymium Block Magnet 50 X 25 X 10mm N52 Magnets Description: Shape: Block Material: Nd, Fe, B Grade: N52 Plating: Ni-Cu-Ni (Nickel) Color: Silver Quantity: 5pcs Size: 50 × 25 ×10mm (L*W*H) Max Temp (degrees C): 80 Note: Be careful Fragile and chip hand, Placed in a dry place, stored at room temperature! This is a seriously powerful magnet and it is totally unsuitable for children! Package Included: 5 × Block Magnet