The die plate is made of an elongated iron body, on one side a ring for holding and on the other side a screw. The center of the body is cut and has 9 parts in the center, in each part is a screw of a half circle that is perfect for a complete circle in the next part, thus creating 8 screws of different sizes from 2.5 mm to 6 mm. Inserting a metal wire to the appropriate thickness and closing the upper screw tightens the screws to their appropriate size…