These magnets are 0.250 inch (6.4mm) cube.
 
They are composed of grade 40 neodymium iron boron magnetic material and are plated in nickel-copper-nickel for a shiny corrosion resistant finish. Their individual pull force is approximately 6 lbs. Max Working Temperature - 176 F (80 C).
 
Specs:
- Imperial Dimensions     0.25 inch long x 0.25 inch wide x 0.25 inch thick
- Metric Dimensions     6.35mm long x 6.35mm wide x 6.35mm thick
- Material     Sintered Neodymium-Iron-Boron (NdFeB)
- Shape     Cube
- Plating     Ni-Cu-Ni (Nickel)
- Magnetization Direction     Thickness
- Grade     N40
- Pull Force (lbsg)     6.032735
- Dimensional Tolerance     +/-0.005"
- Magnet Quantity     20
- Volume (cm3)     0.26
- Weight (g)     1.92
- Packaging     Magpak Tube
 
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