On the FIRST DAY (in about an hour of use) this magnet easily shattered and one of the corners fell of, this magnet is fragile and very risky to keep, the magnet shattered when one of my magnets collided. Not only is this magnet very weak and fragile, this magnet is a very dangerous object, when the magnet collided with another, this magnet nearly SPARKED A FIRE. this also happened again when one of the shattered pieces of this magnet collided with this magnet and caused very large sparks and neSee full review