Magnet Ring Ni 40-30x20

Size: Ring 40-30x20 mm
Outer Dia: 4 cm
Inner Dia : 3 cm 
Thickness: 2 cm 
Grade: Ni
Coating: Nickle - Ni  

Description:
Nickel Coated Magnets have many industrial, educational and household uses. These Magnets are highly resistant against demagnetization.