All the big ceramic(ferrite) block magnets 3"X2"X1"(76.2x50.8x25.4mm) are made of high grade hard ferrite material-C8, they are supplied with high quality and cheaper prices.
Technical Date: Material: Hard Ferrite-C8 Gauss Rating: 3,850 Gauss Pulling Force: 20 lbs.
Pole Orientations: Magnetized through 1",and N and S poles are on the 3X2" surfaces.
Applications: Big ceramic block magnets 3"X2"X1"(76.2x50.8x25.4mm) are usually used for industrial separation, retrieval tools, magnetic therapy, water processing or personal projects.
