Q'ty: 1pcs
For EL504 EL519 EF37 6P12P, etc.
9Pin noval to noval adaptor
8Pin Rimlock vacuum tube socket for EF41 EL41 ECC40
4Pin Gold Ceramic vacuum tube socket, for 300B, 811, 2A3
7Pin miniature socket for 6J5 6H2 6X4
8Pin Octal plug, vacuum tube socket