- <strong>Note</strong>:?due to new?postal shipping regulations DX is now adding significantly more packaging material to pack these super strong magnets. This also ensures safe and speedy?delivery of the magnets..?For significantly better value、 a 100-pack package is available..?- Super strong RE (Rare Earth) magnet -- once they get stuck with each other、?they are hard to break apart- Electrically conductive (making them suitable to extend recessed batteries)- 2mm thick、 18mm in diameter                                                                                                                                Dimensions: 0.71 in x 0.71 in x 0.08 in<br />Weight: 1.34 oz