N52 Magnets 20mm x 4mm Countersunk DIY Industrial 20x4 Magnet Strong 🧲

Strong Magnets Countersunk 20mm x 4mm Hobby DIY Industrial 20x4 Magnet. Grade: N52. Material: Neodymium magnets. Hcj 11 KOe. Plating: nickel copper nickel triple layer plated.

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