Model Number: N-#6774 Brand Name: Astromagnet Key Specifications/Special Features: Neodymium sphere magnets are also known as neodymium magnet balls Used as creative toys (Neocube) and also widely used for industrial application Specifications:Diameter: D5mm/b Numbers of beads: 216 Shapes: sphere (ball Magnets coating: zinc, nickel, epoxy, nickel-copper-nickel and gold Magnets grades:Magnets N-(N35, N38, N40, N42, N45, N48, N50), maximum working temperature: 80°C Magnets M-(35M, 38M, 40M, 42M, 45M, 48M), maximum working temperature: 100°C Magnets H-(35H, 38H, 40H, 42H, 45H), maximum working temperature: 120°C Magnets SH-(30SH, 33SH, 35SH, 38SH, 40SH, 42SH), maximum working temperature: 150°C Magnets UH-(28UH, 30UH, 33UH, 35UH, 38UH), maximum working temperature: 180°C Magnets EH-(28EH, 30EH, 30EH, 33EH, 35EH) maximum working temperature: 200°C Magnets AH-(30AH, 33AH) maximum working temperature: 230°CApplications:Sensors, motors, rotors, wind turbines, wind power generators loudspeakers, magnetic hooks, magnetic holder, filters automobiles computers, MRI/Nuclear Magnetic resonance (NMR), magnetic separators, cleaning machine and pump machine