Aukru 40pcs 20cm Female to Female Breadboard Dupont Jumper Wires Ribbon Cables for Arduino Raspberry pi Dupont CableLength: 20cm; cable quanlity: 40pcs Be used for electronic project and Arduino product Pin Spacing : 2.54mm; Portable design, easy and safe to use Please attention: This is not original Arduino product.It is only a substitute accessory from aukru The raspberry pi jumper 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.