A high quality 25 pin serial / parallel extension cable used to connect any serial or parallel device to a computer or used in conjunction with a data switch box. All pins wired straight-through, 1-1, 2-2, 3-3, etc. Thumb Screws For Easy Installation, Fully Moulded Connectors, Connector A: 25 Pin Male, Connector B: 25 Pin Female, Length: 10 Metres