"Bring ultimate flexibility to RS-232 applications with the patented Serial270(TM) DB9 Extension Cables by Cables To Go. The 270° DB9 connector on each end rotates from side to side in almost a complete circle, allowing easy positioning of the cable to fit the installation. The connectors feature detents, or “click-stops”, every 90 degrees ensuring signal integrity is maintained. The oversized thumbscrews are slotted for easy connection to equipment. With Serial270(TM), the days of not having the right connector orientation on your cables are over! Features Rotating 270 degree connectors on each end move from side to side in almost a complete circle. Oversized slotted thumbscrews make connecting to equipment easy. Connectors: DB9 Female to DB9 Female. Used to convert an existing DB9M/M cable. Fully shielded to prevent unwanted EMI/RFI interference. All lines wired straight through. **Warning: Forcing the connector past the click-stops will break the connector and possibly damage the cable."