Q'ty: 1pcs
vacuum tube socket for AZ1, 4699, etc.
9Pin noval to noval adaptor
8Pin Rimlock vacuum tube socket for EF41 EL41 ECC40
8Pin Octal plug, vacuum tube socket red black
7Pin vacuum tube socket for FU29 FU19
8Pin vacuum tube socket for KT88 6550 EL34 6P6P