3pcs mini DB9 connector set (DB9 female to female adapter, DB9 female to male adapter and DB9 male to male adapter) for serial data communication RS232 gender changer is a simple little tool to change the gender on the serial cables, switch and splitter box, or to extend computer cables Compact size serial port adapter bender with removable hex nut and mounting screw for an easy extension connection between two cords low profile 9 pin adapter RS-232 is wired straight through pin to pin and its narrow slimline design reduces leverage strain on computer ports and save space Standard 9 pin D-Sub connector converter for desktop computer COM port, PC laptop, PLC, GPS, POS, modem, router, serial monitor, LCD display, printer, scanner, cashier, Cisco switch, joystick and other legacy devices