Gikfun 120pcs 40Pin Multicolored Dupont Wires 20cm Male to Male, Male to Female, Female to Female Breadboard Jumper Ribbon Cable for Arduino DIY Kit EK8403 The male ends meant for insertion into standard 0.1 quot; (2.54mm) female sockets and the female ends are meant for insertion into standard 0.1 quot; (2.54mm) male headers. 120pcs jumper wires with 3 various: Male to Male, Male to Female, Female to Female. Each cable length: about 20 cm /8-inch. Portable design, easy and safe to use, high comprehensive performance, favorable price with good quality.