Kuman 120pcs Breadboard Jumper Wires for Arduino Raspberry Pi 3 40pin Male to Female, 40pin Male to Male, 40pin Female to Female Ribbon Cables Kit Multicolored Pack K45 Including : 40-pin male to female jumper wires + 40-pin male to male cable + 40-pin female to female cable =120pcs in total Each cable length: about 20cm /8-inch. The male ends meant for insertion into standard 0.1"(2.54mm) female sockets and the female ends are meant for insertion onto standard 0.1"(2.54mm) male headers The cables can be separated to form an assembly containing the number of wires you require for your connection and to support non-standard odd-spaced headers. Made of high-grade copper wire material for safe and durable to use