Walbest Pack of 20 4x5mm Round Cylinder Super Strong Neodymium Magnets N52 Permanent Strong Blocks Rare Earth Neodymium Magnets

Specifications: Having the super strong magnetism. Neodymium block magnet was made of NdFeB have strong magnetic performances and appearance does not rust usually placed in room temperature the maximum operating temperature is 80°C and it never will demagnetization. Type: Neodymium Magnet Material: NdFeB Grade: N52 Features: Cylinder Strong Magnetism Multipurpose Single Size: 4mm x 5mm/0.16 x 0.20 (Approx.) Notes: Do not allow children to play with them unsupervisedly or they could get injured. Especially pay attention to the small magnets please place in somewhere children can t reach. It should be cared when handling two magnets as they can pull together with such force that pieces of the magnets cansplinter off and cause injury. Due to the light and screen setting difference the item s color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 20 x Neodymium Magnet