Materials: Neodymium-Iron-Boron shape: Block certificate: ISO9001: 2008 sigh, if ... ````wait, it is!! 40*20*5mm Strong Block 2 Countersunk Holes 5mm Rare Earth Neodymium Magnet ... 33H-48H,30SH-45SH,30UH-38UH and 30EH-35EHShapering,block,disc,bar and so onSizeaccording to customers' requestCoatingNi ... are available other products: 40*20*5mm Strong Block 2 Countersunk Holes 5mm Rare Earth Neodymium Magnet ...