Dimensions Length: 3 inch 6inch 12inch Gender: Male-Male,female to female ,male to female Color: various colors These wires can be purchased with male terminations on both ends, female terminations on both ends, or one male and one female termination. These terminations are designed for use with 0.1" (2.54 mm) male headers and female headers, solderless breadboards, and prototyping PCBs.