Check the listing for details. GARAGE1217 5670 / 2C51 / 396A / 6N3P TO 6922 / 6DJ8 / ECC88 TUBE SOCKET ADAPTER. Listed at 26.99 USD. Appreciate you checking out this adapter by Garage1217! I designed this adapter to be the best on the market at an affordable price Features include: - Tough gold pins with a thick gold plating that are much stronger than the competitions. Will not bend like cheap wire leads - Ceramic socket with gold pins for long life - Double sided PCB based design for ultra low profile. 2oz copper used for excellent conductivity - Black PCB for aesthetics - Flawlessly hand assembled right here in the USA by Garage1217 - Outstanding soldering / care taken in every adapter built - This adapter works two ways. 6922 / 6DJ8 tube to be used in a 6N3P / 5670 / 2C51 / 396A socket OR a 5670 / 2C51 / 396A / 6N3P tube to be used in a 6922 / 6DJ8 / 6N3P socket - This listing is for a SINGLE adapter. Important notes: - With any tube adapter with exposed pins, DO NOT GRAB THE PINS and try to remove the adapter / tube with the amplifier turned on! I know common sense is in short supply these days - but I also do not want anyone getting lit up like a Christmas tree for pulling a boneheaded move :) - Check out our site as we also offer them in pairs! Price is PER ADAPTER IN THIS LISTING SHIPPING / SHIPPING TIMES: - We ship all amps, kits or pcb's via priority mail or global priority mail - Kits generally ship within 3 business days of receiving payment. Each amp or kit is hand crafted or put together at the time of order - We ship Monday - Saturday and go by the USPS holiday schedule