Hi, Could you please supply a quotation for (500) magnets, I am wanting a strong magnet around the 22mm x 10mm, I do not know which one I need, (neodymium magnet) or the (Industrial Magnet), I need the stronger type. I am going to use then on Prospecting picks to attract iron junk material such as (nails ect;). Kinds Regards Len Kiely Show More