This thickness is a miracle for making gimmicks! We offer a set of 10 neodymium magnets, 0.3mm x 10mm. I believe this product is very difficult to obtain from domestic manufacturers. It is very thin and has a diameter of 10mm, so I think it's a valuable material for making gimmicks. If you are interested, please consider it! Ultra-thin neodymium magnets, difficult to obtain in Japan Size: Thickness 0.3mm x Diameter 10mm round magnets Sold in units of 10.