Block Neodymium Magnet(9.5*7*5mm) We are experienced in magnetic field for many years. Samples and small quantity are ... 30H-45H,30SH-42SH,28UH-38UH and 30EH4) Shape: ring,block,disc,bar and so on;5) Size: according to customers ... 7) Application:motors, sensors, microphones, wind turbines, wind generators, VCMs in hard disk drives, printer, switchboard, loudspeakers, magnetic separation, magnetic hooks ...