Notes: Watch your fingers!Grade N52 Neodymium magnets are very strong and fragile， please be careful to use them!Separate them carefully， don't let them fly to other items freely， or they will break and you'll be injured!Material: Neodymium magnets (Nd2Fe14B)Grade: N52 (much stronger than N35，N38，N42，N45..)Plated: Ni-Cu-NiMagnetization Direction: AxialSize:L*W*H=20*5*3mmQuantity: 20 pcs