
And pretty hard to un-stack. These are rare-earth magnets made of nickel-plated sintered neodymium-iron-boron (NdFeB), and they hang on like a bad cold. You pick (6) 1/4" cubes with 2.5-lb pulls, or (1) 1" cube with a 24-lb pull.
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39518 LARGE CUBE MAGNET | |
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39516 SMALL CUBE MAGNET |
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