A set of 65 jump wires featuring male pins at either end of 22awg flexible wire. The set consists of four different lengths of seven coloured wires. Suitable for use with breadboards and headers on arduino boards. 65 Pieces male-male flexible breadboard jumper wires. Suitable for use with breadboards and headers on Arduino boards. Arduino compatible and for all purose of DIY Projects. Good conductivity, it's hard to drop the head of the wire, can be applied repeatedly.