20PCS 12×5-4mm N35 NdFeB magnet with hole DIY puzzle magnet toy multifunctional refrigerator magnet

Neodymium round magnet-12×5-4mm (20PCS)

Strong magnetic force and small size.

The strong magnetic force is concentrated on only one side, the other three sides are almost non-magnetic, and the magnet is not easily broken.

Its magnetic force is equal to 5 times that of a magnet of the same volume.

It can move freely on any metal surface.

Permanent magnetism, long service life

parameter:
Color: silver
Quantity: 20PCS
Shape: cylindrical
Dimensions: diameter 12mm x thickness 5mm x aperture 4mm

caveat:
The magnet is very fragile. No collision with other metal objects (including other magnets)

Keep away from pacemakers, medical precision equipment, and electronic equipment.

Disassemble carefully, the strong magnet may hurt your fingers.

Not suitable for children. Children need to use it under the supervision of their parents.

Don’t eat it by mistake, and don’t put it in your mouth or any part of your body. If any magnets are swallowed or inhaled, seek medical attention immediately.

All magnets may be damaged. The broken magnet is very sharp. If it is damaged, discard it completely. The fragments are still magnetic. Do not swallow it, otherwise it will cause serious damage.

If you are allergic to nickel, avoid prolonged contact with neodymium magnets.