Perfect premium jumper pack for Arduino and general electronic work. Includes 40 wires with typical variations of connectors. All connectors are high-quality square 0.1" (2.54mm) connectors. Made directly for oddWires to our specifications. Terrific value for this quality. See our other listings if you want all of one connector.F-M 1 Pack x 10 multi-color wires 2 each of Black, Red, Green, Yellow, Orange 6 inchF-M 1 Pack x 10 multi-color wires 2 each of Black, Red, Green, Yellow, Orange 10 inchM-M 1 Pack x 10 multi-color wires 2 each of Black, Red, Green, Yellow, Orange 6 inchM-M 1 Pack x 10 multi-color wires 2 each of Black, Red, Green, Yellow, Orange 10 inch