These are XLR Mini Din type connectors for inline work. They have 5 pin and a good quality shielded cable that is 5 feet long. They were cable assemblies for an SAIC Micro Geiger tube and a switch. but not assembled yet.
The 3 pole phone jack panel mount version provides stable and secure connections where accidental disconnect or shock and vibration may occur. It latches with standard A-gauge mono or stereo plugs. Plug locks-in automatically when mating and unlocks only by pressing red release tab.
4 Qty, 1/4" Audio Connectors, Stereo 6.35 mm Male Plug, TRS, Nickel
For Neutrik NL8MPR. Type: Connector Adapter. Connector Adapter（ As shown in the picture ）. Accurate twist lock latching system. Precise key way for secure mating.
Connection between the microphone and the microphone line. Perfect for making your own or upgrading old microphone cables. Female Size: Approx. 15mm x 68mm / 0.6" x 2.7". Male Size: Approx. 18.2mm x 65mm / 0.7" x 2.5".