Here is a Beautiful Vintage New Old Stock 1965 Hickok CA-4 Tube Tester Universal Socket Adapter for the 600 6000 800 539 Etc tube testers. It is in Mint, NOS cosmetic and working condition and comes with an entire collection of literature and manuals etc. You get the CA-4 with grid cap lead, Hang-Tags, Original Envelope for literature, Color Poster sized flyer, Manual, Suppliments and 9 Booklets for use with each of the following testers. I575, 539B, 6000-6005, 533A-600A-605A, 750, 752, 800 and Cardmatic. This is in excellent original condition from a private collection. This will make anwonderful addition to anyone\'s collection. Money back guarantee you will not be disappointed.As always, all of my sales start at $9.99 with and I offer a 60 day money back guarantee. Click the \"Enlarge\" tab to view all 12 pictures for details. Email, text or call Mike with questions. (206) 660-8289. I do not offer Buy-It-Now\'s and do not end my sales early.Buyer to pay actual shipping of 4 lbs.