The BU-P5168 is an in-line banana jack with flexible PVC insulator. Often used for making or repairing test cables that connect to standard 4mm banana plugs.
The BU-00232 is an uninsulated, panel mount 4mm banana jack with a solder tab for wire connection. Compatible with unshrouded and retractable 4mm banana plugs.
The BU-P5167 is an in-line banana jack with flexible PVC insulator. Often used for making or repairing test cables that connect to standard 4mm banana plugs.