The M2X4/D7985 part is a metal spacer made by Kraftberg, a leading manufacturer of electrical components from Germany. It is used to provide steel support for electronic and other parts. The spacer is made from stainless steel, and has an inside diameter of 4 mm and an outside diameter of 8 mm. The spacer also has four recessed slots at regular intervals, which are suitable for mounting screws or other hardware. The M2X4/D7985 is a versatile part, suitable for a variety of uses, including electrical, mechanical and decorative applications.