Heavy Duty Ceramic Block Magnets, 0.393" Thick, 0.875" Wide, 1.875" Length Pack of 2

3.2 pounds of pull perpendicular to a flat, ideal holding surface. This pounds of pull does not apply to shear force. Pounds of pull are increased by using a holding surface with the highest iron content possible. Also the thicker the steel holding surface the higher the pounds of pull. Layers of paint and other finishes decrease the pounds of pull.

Block magnets Also known as ferrite magnets Ideal for crafters and teachers Made of the highest grade of ceramic magnet material 3/8" x 7/8" x 1-7/8"