RCA JAN CRC-6L6 VT115 metal vacuum tube is extremely rare and has a good reputation for its sound!!! ☆Conductivity has been confirmed. Please bid with confidence. Total length: Approx. 103mm Please refrain from bidding if you are looking for perfection or are overly sensitive. ☆The box is not original. ☆We will ship within 24 hours of confirming payment. We will contact you if there is a delay in shipping.