... temperature:up to 230 degree C Material: NdFeB Magnet, Neodymium Magnet, SmCo Magnet, Ferrite Magnet, Alnico Magnet, Permanent Magnet, Rare-earth MagnetShape: Block, Sheet, Bar, Coil, Ball, Stick, Strip ... :AC, DC, servo motors (with segment magnets). Toys, Switchboard, Phone, voice coil motors (VCM) in hard disk drives, high performance motors, DC motors ...