These male to male jumper wires are popular choices for interconnecting female berg strip connector header pins in development boards, sensor modules, motor drivers, etc. 

They are flexible, easily detachable and are of good quality with end to end length of 21cm and compatible with 2.54mm spacing pin headers. Best suitable with Arduino, Raspberry Pi, Sensor Modules, Beagle Bone, Single Board Computers, and other development boards. It is very useful for DIY projects, prototyping purposes and it allows you to plug and unplug easily without soldering.