DC Power Female Jack Adapter Connector - brand new - $5 firm INCLUDES: 1 x female jack PRODUCT DESCRIPTION: Solderless Inline DC Barrel Power Jack with Screw Terminal block for easy wiring. This jack is perfect for swapping out a broken jack or plug, or making your own custom extension or DC power adapter. No soldering required - simply insert your wires into the screw terminal block on the back of the jack and tighten. This is suitable for building extension cables, etc. Screw Terminals for 16-24awg wire Internal diameter of the plug: 2.1mm External diameter of the plug: 5.5mm