Magnet Ring Ni 37-27.5x3.9

Size: Ring 37-27.5x3.9 mm
Outer Dia : 3.7 cm
Inner Dia : 2.75 cm 
Thickness: 3.9 cm 
Grade: Ni
Coating: Nickle - Ni  

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