Neodymium Block Magnet - 25mm x 12.5mm x 75mm | N45Magnetic Product Description: This Rare Earth block magnet has a length of 75mm, a width of 25mm and a thickness of 12. 5mm. It is identified by the AMF magnet part number B W25H12. 5L75 N45. Uses for our strong Rare Earth block magnets: Square, flat Neodymium Block magnets have excellent holding ability when the flat, wide pole surfaces are used to bond with a metal surface. Alternatively, the thin, narrow, non pole edge of this powerful rectangular