ITEM NAME:20Piece DC Power Male Plug Welding Adapter Connector 5.5x2.5mm Description: DC Power Male Plug Welding Adapter Connector Male interface: outer diameter 5.5mm ; inner cylinder diameter 2.5mm Good replacement to replace your unwork, damaged, old socket connector. Installation instruction is not included, Professional Installation is recommended. Please check carefully to make sure that the project is what you need. Specification: Material: plastic Size: 50mm/1.69inch Package Includes: 20Piece DC Power Plug Connector Note: Please allow 0-1cm difference due to manual measurement.(1cm=0.39inch, 1inch=2.54cm) Due to the difference between different monitors, the picture may not reflect the actual color of the item. Please understand. Thank you! SKU: DMO0017136019472773.20Piece DC Power Plug Connector. DC Power Male Plug Welding Adapter Connector. Due to the difference between different monitors, the picture may not reflect the actual color of the item. SKU: DMO0017136019472773.