This is a thin ferrite magnet sheet customized for American customers not long ago, hard permanent magnet, rectangular shape, no plating on the surface, black, length 40mm, width 20mm, thickness 1mm, magnetization through the thickness of 1mm direction, can be customized according to the size of your actual product needs, please feel free to send us an inquiry for price.
1mm thin thickness ferrite block 40x20x1mm physical sample picture
The dimensions are close to those of a ferrite magnet sheet;
1 9/16" Ultra Thin Sintered Ceramic Block Magnet 40x20x0.65mm