10 x Tiny Strong Neodymium 4mm x 1mm Rod Disc Cylindrical Magnets High performance rare earth Neodymium Iron Boron disc magnets. These magnets can be bonded in place using structural adhesive and offer incredible performances through large air gaps. Can be used for art and crafts including fake earrings if you do not want to pierce your ears.Excellent electrical conductivityCan be used to extend battery terminalsMax. operating temp. - 100 deg. C.Diameter - 4mmLength - 1mmQTY - 10 stustu234 store On 08-Jan-13 at 18:24:11 GMT, seller added the following information: