Why use cut telephone wires when you can use these great male-to-male 300mm jumper wires?
Many microcontroller boards like the Arduino and Freeduino SB use pins to make your electrical connections. Unfortunately, a really nice cable to do so is not that easy to find. Enter the male to male connector! These really nice 300mm long jumper wires are an ideal solution for making these sorts of connections. They even fit to side-by-side on 0.1 inch spaced breadboards!
These jumper wires come in a package of 10 jumpers, five pairs each of: