1PC 4-pin 300B 2A3 101D 811 tube socket TS-4 4-pin to 4-pin tube socket 4-pin to 4-pin tube adapter socket

1PC 4-pin 300B 2A3 101D  811  tube socket TS-4  4-pin to 4-pin tube socket 4-pin to 4-pin   tube adapter socket

Bakelite high  electronic tube socket TS-4  4-pin to 4-pin tube socket 4-pin to 4-pin   tube adapter socket

GZS4-300BS (TS-4) 4-Pin Raised Socket Direct Test Socket
4-Pin to 4-Pin Tube Socket, Electron Tube Raised Socket, Direct Test Socket

Height: 32mm (excluding pins), Diameter: 35mm
Suitable for: 300B, 2A3, 101D, 811, and other 4-pin electron tubes.
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