DC Plug 5.5x2.1mm In-line with Sleeve

These connectors are ideal if you want to make up your own DC jack cable that it the ideal length for you. You can simply crimp the wire in the metallic center of the of the connector, and add some solder to ensure that it is a high quality connection that will not come loose. The sleeve at the back of the connector will also help to extend the lifespan of the cable since it protects the wire from any sharp bends.