Description The item is a 30cm 40pin jumper wires, which is 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 30cm 40-pin Breadboard Jumper Wires Ribbon Cables.- 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.Packing list: 1 * 30cm 40-pin Male to Female Breadboard Jumper Wires Ribbon Cables