This is a small and thin square neodymium magnet, the performance grade is N35, the surface coating is zinc, the specific dimensions are length 5mm, width 5mm, thickness 2mm, thickness magnetization, suitable for precision electronic products, instrumentation, headphones, For medical equipment, you can contact us if you have the purchase needs of small, thin and strong magnets, or you can make non-standard customizations according to your wishes....