(2) vintage NOS NIB GE Compactron Vacuum Tubes 8B10 code (HA 188-5) Shipped with USPS First Class Mail.

Note: Tested for quality and shorts and grid leakage no shorts found quality “Good” no visible grid leakage found. Tested on calibrated Sencore TC162, boxes show signs of ware do to long term storage, please see photos any questions please ask thank you.