... world were a giant magnet````wait, it is!! 40*20*5mm Strong Block 2 Countersunk Holes 5mm Rare Earth Neodymium Magnet CS ... -48M,33H-48H,30SH-45SH,30UH-38UH and 30EH-35EHShapering,block,disc,bar and so onSizeaccording to customers' requestCoatingNi, Zn, gold ... ♦ OEM or ODM orders are available other products: 40*20*5mm Strong Block 2 Countersunk Holes 5mm Rare Earth Neodymium Magnet CS ...