Foxnovo Female Wire Cables 40-pin Male to Male /Female to Female /Male to Female Breadboard Jumper Wires Ribbon Cables Kit 3pcs/lots Each cable length: about 20cm /8-inch Include one 40-pin male to female jumper wires, one 40-pin male to male jumper wires, one 40-pin female to female jumper wires. 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 The male ends meant for insertion into standard 0.1 Ade of high-grade copper wire material for safe and durable to use