These 2 vintage ZENITH 6KZ8 vacuum tubes appear to be new old stock and tested good for shorts, emission and grid leakage tests on Sencore Mighty Mite VI, TC154 tube tester. All of our tubes are tested, unless otherwise stated, with Tested Good meaning 80 or above on used tubes and 90 or above for New Old Stock tubes. Items will be well packed. We do combine shipping on multiple items. Please email with any questions or concerns before buying. Thanks for looking, please view our other auctions!

     We deal mainly in vintage merchandise and do our best to describe each item as accurately as possible. The item or items pictured is what you will receive. Please email with questions or concerns before buying to avoid any disappointment with your purchase. We will be happy to combine shipping on items won on the same day whenever practical. The invoice sent by Ebay at the close of the auction does not always include shipping discounts for multiple wins. If you have purchased multiple items, and the invoice from Ebay does not show reduced combined shipping, please wait for the invoice from us. Depending on your state sales tax regulations eBay may also charge the mandatory sales tax for your state. All shipments will have a tracking number. Shipping costs other than USPS Priority do not include insurance. If you wish insurance and it is available for mode of shipping, please contact us prior to paying invoice. International shipping will vary, please email us. International customers please be advised that customs in your country may charge duties or other fees. We cannot be responsible for any duties, taxes or other fees charged by your country. We cannot be responsible for any delays or returns caused by the custom agents of your country.