Make your prototyping neat and nicer looking. This box includes 14 various lengths of 22AWG wire - 2, 5, 7, 10, 12, 15, 17, 20, 22, 25, 50, 75, 100, and 125mm - 25 pieces of each. Various colors of jumper wire, perfectly fit for breadboard and protoboard. 350 pieces a box, get one for use in your future project again and again!