This jumper wire kit is designed for electronics enthusiasts and professionals. Includes a variety of flexible jumper wires that are nice for connecting components on a breadboard. The jumper wires are insulated to ensure safe connections, ideal for prototyping and circuit projects. Also, includes a storage box for convenient to carry. Features -Color:Multi -Material:Aluminum, plastic -Size:18.60X10.00X2.20cm/7.31X3.93X0.86in -Robust materials: breadboard jumper wires are made from aluminum materials, offer durability and safety for your electronic projects -Versatile design: suitable for various devices including computers, electronic communication, instruments, industrial control, electronic toys, PCB projects, and pc motherboards -Easy to use: our jumper wire kit features excellent , flexibility, and ease of operation, convenient for users to handle -Compatible with breadboards: can be used with any breadboard or any place requiring jumper wires, nice for breadboard projects -Multiple length options: jumper wires in different lengths and colors to meet diverse needs Package list: 840 x breadboard wires 1 x packaging box