The jumper wire kit is made from aluminum materials, ensuring durability and performance. These jumper wires are compatible with breadboards and can be used to connect sensors, LEDs, resistors, and other electronic components. The breadboard jumper wires are enough to start building and testing circuits right away. Also, includes a plastic storage box for convenient to store and carry to any place as you need. Features -Color:Multi -Material:Aluminum, plastic -Size:18.60X10.00X2.20cm/7.31X3.93X0.86in - materials: this jumper wire kit is is made with aluminum materials for enhanced durability and safety in your electronic endeavors -Broad compatibility: breadboard jumper wire kit is nice for a range of devices such as computers, DVDs, LCM/LCD monitors, instruments, and industrial control systems -Ease of use: these breadboard wires feature great flexibility and , ensuring easy and convenient handling, nice for electronic enthusiasts, engineers -Breadboard ready: the jumper wire is designed to work with any breadboard, nice for breadboard related projects -Diverse lengths: provides jumper wires in various lengths and enough quantity to suit different project demands Package list: 840 x breadboard wires 1 x packaging box