NulSom Inc. 40p to 40p GPIO Ribbon Cable for Raspberry Pi 4/3 / Zero / 2 (8" 20cm)
40 way ribbon cable perfect for accessing the GPIO (General Purpose Input Output) port on the Raspberry Pi Model 4/3B/Zero/2B/B+/A+ Board
This is perfect for connecting the Pi to your own projects and circuitry.
Cable is 8" long, and pin #1 is marked with a red wire.