This is NOT your standard fridge magnet, perfect for holding up quite a bit of weight. Composed of a rare earth magnet Neodymium/Iron/Boron (NdFeB). Magnetization is throughout the thickness of the magnet. Perfect for projects concerning electromagnetic devices and make for a great trigger for reed switches.. Dimensions are measured at 0.709x0.197 inches with a 13,200 Gauss BRMax and a whopping pull force of 1.48 lbs or more than half a kilo!
We found these small rings to be very useful for connecting PCBs together. These rings are conductive and can act as a magnetic connector between widgets.
Sold in single units.