Magnet Ring Ni 40-22x7

Size: Ring 40-22x7 mm
Outer Dia : 4 cm
Inner Dia : 2.2 cm 
Thickness: 0.7 cm 
Grade: Ni
Coating: Nickle - Ni  

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