KNTK DB9 Female 2 Way Data Transfer Switch Box Rotary Type RS-232 D-Sub 9 Pin PC

KNTK DB15 4 Way Data Transfer Switch Box Rotary Type for PC MAC Display Joystick

KNTK DB9 Male 4 Way Data Transfer Switch Box Rotary Type RS-232 D-Sub 9 Pin PC

KNTK 4-Way DB9 Data Transfer Switch Box Rotary Printer RS232 Serial RS-232 9-pin

Kentek DB9 Female 4 Way Data Transfer Switch Box RS-232 D-Sub I/O ABCD Port PC

Kentek DB9 Female 2 Way Data Transfer Switch Box RS-232 D-Sub 9 Pin I/O Port PC

KNTK 4-Way DB9 Female Data Transfer Switch Box Box Rotary Printer RS232 Serial

Kentek 4-Way DB9 Male Manual Data Transfer Switch Box RS232 9 Pin Serial Printer