10/20/40Pcs 12x3-4 Hole Magnet 12mm X 3mm Hole 4mm Round Super Powerful Strong Permanent Magnetic for Fridge, DIY, Building

10/20/40Pcs 12x3-4 Hole Magnet 12mm X 3mm Hole 4mm Round Super Powerful Strong Permanent Magnetic for Fridge, DIY, Building

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