Beautiful in brass. For sale are the Best Audio “double D” nuts and screws (one pair) designed exclusively for the original Empire 980 cartridge holder, as well as the market leading Best Audio 980 cartridge holder. Machined from brass with a M2.5 thread pitch, our slot nuts perfectly fit the Empire OEM cartridge holder perfectly (see photo) and allow the user to replace the original 3-48 pitch slot nuts. The black plastic OEM Empire cartridge holder is shown for illustrative purposes only so as to demonstrate the ultra precise fit and it is not included with purchase of thee slot nuts. International Buyers Please NoteImport duties, taxes, and charges are not included in the item price or shipping cost. These charges are the buyer’s responsibility. Please check with your country’s customs office to determine what these additional costs will be prior to bidding or buying.