Check the listing for details. 6BF6 Vacuum Tubes Various Brand ( QTY 1 ). Condition: Open box. Listed at 1.95 USD. DESCRIPTION: Price is for one tube Select the type and quantity mixed brands from the drop-down menu. if you preferred one particular brand please send me a message on the order or i will send what is available at the time. Photo of tubes in stock at time of listing may become obsolete as tubes are sold and stock replenished. You will receive only the tube selected, at the price shown. Type: Electronic Vacuum Tube Condition: NOS New old stock Some boxes are brittle, or have imperfections, starting to crumble if they are not salvageable will ship in plain or different brand box All tubes has been be tested For Triode and Diode 1/2.Either on Hickok models 6000/A,539C,533,800,VT-7b/u,1-117 military testers or a B&K 700,747 1. Complete visual inspection 2. Allow 1 minute warm up time 3. Test for actual real-life mutual conductance (life) of the tube (including any shorts,gas grid or leakage) 4. Test for proper gain of the tube (perhaps the single most important test of a preamp tube Return PolicyContact Us If you're in any way dissatisfied with your purchase, do not hesitate to contact us through "MY MESSAGES" . We will do our best to solve it for you. We are committed to ensuring that you are completely satisfied with every transaction. So Please DO contact us first to get a better solution before you would leave a Negative or Neutral feedback. Track Page Views With Auctiva's FREE Counter