The cables can be separated to form an assembly containing the number of wires required for your connection and to support non-standard odd-spaced headers. Multiple colors, 40-unit copper cable set, ideal for prototyping with boards, stepper motors, 3D printers, and more. The combinations provide jumpers for various needs. Easy to use: jumper wires can be separated into assemblies with the desired wire count and fit non-standard odd-spaced headers. Multicolored ribbon cables: cables come in different colors. Solderless ribbon cable kit connects via pins, no welding required, suitable for quick circuit testing. Wide range of applications: multicolored jumper wires are compatible with breadboard kits, PCB projects, PC motherboards, Raspberry Pi, and more. Ideal for breadboard connections. Specifications: Product size: length: 210mm / 8.27 inches Package includes: one set of ribbon cables as described