Specifications: Made of high-grade copper and aluminum material, safe and durable for use. The cables can be separated to form an assembly with the number of wires needed for your connection, supporting non-standard odd-spaced headers. Male ends are designed for insertion into standard 0.1" (2.54mm) female sockets, and female ends are designed for insertion onto standard 0.1" (2.54mm) male headers. Item Name: Rainbow Cables Material: Copper, Aluminum Style: Female-Female, Male-Female, Male-Male Quantity: 40 Pieces Features: Multicolored, Flame Retardant, Portable Size: 20cm x 10cm x 1cm / 7.87" x 3.94" x 0.39" (Approx.) Note: Due to differences in lighting and screen settings, the item's color may vary slightly from the images. Slight dimensional variations may occur due to manual measurement. Package Includes: 40 x Rainbow Cables