Q'ty: 1pcs
For 4pins tube: 300B, 811, 2A3, etc.
9Pin noval to noval adaptor
8Pin Rimlock vacuum tube socket for EF41 EL41 ECC40
7Pin miniature socket for 6J5 6H2 6X4
8Pin Octal plug, vacuum tube socket
7Pin vacuum tube socket for FU29 FU19