JJ Electronic KT88 tubes, 8 pieces (new) I tested them to make sure they work, and there were no problems. Please consider them as-is. [Important Notes and Requests] Recently, there has been an increase in people who cannot promptly confirm receipt after delivery, and those who cannot communicate properly in Japanese. This is a Japanese flea market site, so please refrain from purchasing if you cannot communicate effectively in Japanese. We do not conduct transactions with domestic and international resale buyers.