Noval Socket Saver for Vacuum Tubes, 9 Pin

High quality 9 pin socket saver for use with many popular tubes such as 12AX7, 12AU7, 12AT7, 12AY7, 5751, EF86, EL84, EZ81, 6CA4, and any other 9 pin noval type tube. Excellent for any application where tubes are frequently plugged in, such as test equipment. Great for protecting expensive new old stock tubes. May fit very tightly at first on older tubes with slightly larger pins.