Specification:

Size : 2"x2"x1" mm
Grade : Y30
Color : Black
Length : 5.08  cm ; 
Width : 5.08 cm ; 
Height : 2.54  cm.

Description:
Ferrite also is known as Ceramic Magnet is a Composition of iron oxide and barium or strontium carbonate. These materials are readily available and at a lower cost than other types of materials used in the making of Permanent magnets.