The item is a set of 3pcs 30cm 40pin jumper wires, which includes one 40-pin male to female jumper wires, one 40-pin male to male cable, and one 40-pin female to female cable, and are made of high-grade copper wire material for safe and durable to use. The male ends meant for insertion into standard 0.1" female sockets and the female ends are meant for insertion onto standard 0.1" male headers. Each ribbon cable 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. Features - Color: as shown in the pictures. - Material: high-grade copper wire. - Each cable length: about 30cm / 12-inch. - and Multicolored 40-pin Breadboard Jumper Wires Ribbon Cables. - 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 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. - Portable design, easy and safe to use.