This is a set of 2 pieces. ■ Although these are unused original products, they may have been in stock for a long time, and the printing may be faded, the pins may be bent, or the metal parts may be oxidized and discolored. Please refrain from purchasing if you are looking for brand-new, pristine items. ■ The LOT# etc. in the photos may differ from the actual items. If you are concerned, please contact us before purchasing, and we will investigate and get back to you. Also, the quantity and packaging method shown in the photos may differ from the actual listing content. If you want more, please contact us. ■ Items paid for by 4:00 PM will be shipped on the same day (excluding Saturdays, Sundays, and holidays. We do not ship on Saturdays, Sundays, and holidays). ■ Domestic procurement. ■ Discounts (price negotiations) are not possible. Changes to the set quantity, such as changing a set of 4 to a set of 3, are not possible. ■ An invoice will be attached. Rohm Dual operational amplifier BA4558N 2 pcs/set Procured in Japan Original, new and not used [269Tg/306948] {30}<#><&<&.