This auction is for 2 pcs. of scarce  vintage WD11 tube adaptor socket-  in excellent condition - designed to use UX base tube like UX199 or 864 tube in place of the scarce WD11 tube.  These only add about 1/4" to height of tube socket.  Wafer about 1 1/4" diameter - pins about 3/4" long.  Also included is 2 pcs. of still sealed in original boxes type VT-24 tube - also known as 864.   Nice lot for owners of the Radiola 3 or 3A and other radios using the type WD11 tube.