1.This is DIY 3.5mm Stereo Audio Male Plug Jack Has Spring Wire Protectio Adapter Solder Connector. This connector can be used to repair 3.5mm jacks and many other devices that use a stereo connection. Low cost alternative for DIY project boxes requiring 1/8" jacks.
2.Spring Inner Diameter: 5mm/0.19", Weight: 4g .
3.It is suitable for cables below 5mm. If your cable is too thin, just use some sleeves to thicken it and fix it with a 360-degree grip pedal to avoid movement.

4，Easy to handle,you really don't have to be a professional to do this. Just insert the cables in the hoops, twist and lock in place, and only then solder.
5，Connector A: 3.5 mm Gold plated Male Plug.
6，Connection technology: soldering.
7，Package : 2 x 3.5mm Male Stereo Repair Headphone Adapter.
Note: The other end of 3.5mm needs to be welded, please be careful to buy!