NEW OLD STOCK RADIO FEEDBACK NOISE REDUCER / SUPPRESSOR. THESE HAVE BEEN IN ONE OF MY LITTLE PLASTIC PARTS CABINET DRAWERS FOR 35 YEARS. YOU ARE PURCHASING 1 PIECE. YES THEY ARE DUSTY AND MAY SHOW SIGNS OF VERY MINOR CORROSION ON THE TANGS BUT THEY ARE INDEED NOS PARTS. THEY HAVE NEVER BEEN USED.