Magnet Ring 3/16 inch

Description of Magnet Ring 3/16 inch Summary Magnet Ring - 3/16" Dimensions: 3/16" (4.7625mm) outer dia x 1/16" (1.5875mm) inner dia x 1/16" (1.5875mm) thick These are small rare earth magnets - 3/16" rings. Composed of Neodymium/Iron/Boron (NdFeB), these magnets are curiously strong and make for a great way to attach tools to a metal workbench, hold small children to a fridge, and as a trigger for reed switches. This one small ring can easily hold a piece of paper to your fridge. 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. You need a way to secure the ring to the PCB (screws and rivets have been shown to work). Sold in single units. Click here to know more.