Frentaly&reg; 120pcs Complete 3 Dupont Cable 40pin Male to Female, Male to Male, Female to Female Breadboard Jumper Wires Ribbon Cables Kit Great cables to work with all kinds of breadboard and Arduino components Includes 40-pin male to female + 40-pin male to male + 40-pin female to female Fits perfectly into standard 0.1"(2.54mm) female sockets on breadboards 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