This 10cm long 40-Pin Jumper Wire have female header pins on one end and female header contacts on the opposite end.
KEY FEATURES:
Female to female jumpers are especially handy for connecting standard 0.1″ female header pins commonly found on breakout boards to female header contacts such as on a solderless breadboard. They also can be used to make extension cables by connecting the female end to the male end of another cable.
The cables have 10 different wire colors which repeat every 10 wires. The rainbow colors make it easy to match the same wire at both ends of the cable.
The individual wires are easily pulled apart by hand to create single jumper wires or to make smaller cables consisting of multiple wires which are handy for keeping wires together when connecting small buses or running multiple wires to a sensor