40pcs, 20cm Male to Male Dupont Wire

 Jumper wire length: about 20cm/ 8.4 inch, Standard 2.54mm headers.
 Package: 1 x 40-pin male-male jumper wire.
 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
 10 different colors, Made of high-grade copper wire material for safe and durable to use.
 Suitable for making prototypes with arduino boards, stepper motor, 3D printer etc