Extend connections to serial devices.Quick Facts- Features molded hoods and thumbscrews that enable a snug fit when making connections.- All nine pins are wired straight through.- Guaranteed for life!Further Details- Mylar® shielding protects communications from EMI/RFI.- Cable is 26 AWG.- Use this male/female cable to extend the cable on your AT® style mouse or to extend the cable on your EGA/CGA monitor.