KEMET's ferrite tiles are available in three sizes: 100 mm x 100 mm, 150 mm x 100 mm, and 240 mm x 60 mm, so that the choice can be done according to the shape of the transmission coil or reception coil. The thickness of each tile is eight sizes from 4 mm to 20 mm for the 100 mm x 100 mm size, and six sizes from 5 mm to 200 mm for the 150 mm x 100 mm and 240 mm x 60 mm.