Ponoko

Magnet Square - 0.25"

Cost: $1.50 each

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Description: These are small rare earth magnets - 0.25" cubed. 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.

Activates the reed switch (shown below) at a distance of about 3cm.

Sold in single units.

SKU: COM-08643


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