Features:

- Magnets are made from Neodymium permanent rare earth. - Neodymium is a kind of rare earth metal, holding power can last even decades later.
- Magnets have triple layer coated with Nickel+Copper+Nickel provide a shiny and durable protection.
- All the neodymium magnets are magnetized axially.
- All the rare earth magnets have maximal operation temperature of 80℃.
- Slide magnets apart, or else, will cause breaking.
- These magnets are very fragile. It is forbidden to collide with each other or other ferrous objects.