Material: NdFeB
Shape: Ring
Measurements (Size): D40xd12/6x5 mm Diameter: D-40mm, height (thickness) H-5mm
Tolerance: +/- 0.1 mm
Coating: NiCuNi Epoxy (outdoor conditions)
Magnetisation: N42 5mm in height, available with N and S pole.
Strength: approx. 16 Kg
Max working temp. (Max. working temperature): 80°C
Weight: 44 g 

- Between two metal plates, thickness 5mm 29 Kg

- Magnet to metal plate, thickness 5mm 16 Kg

- Magnet to magnet 16 Kg