ITEM NAME:5PCS 5.5mm X 2.5mm Male Jack DC Power Plug Socket Jack Adapter Adaptor Conn A2E9 5PCS 5.5mm X 2.5mm Male Jack DC Power Plug Socket Jack Adapter Adaptor Conn A2E9 Matching pair DC Male 2.5mm x 5.5mm Plug & Socket. Ideal for DC plug + socket repairs and DIY projects. Inside diameter: 2.5mm Outside diameter: 5.5mm Length: 4.5cm Material: plastic Color: Black Size: 2.5x5.5mm Package Include: 5x DC Male Connector Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.