Material: The Breadboard Prototyping Circuits Wire made of durable and stable copper is long-lasting,ensuring long term use. What you will get: You will get 14 lengths 560 Preformed Breadboard Jumper Wires to meet your usage needs. Feature: The Jumper Wire Kit features different color codes, insulation, flexibility, and rigidity with different lengths, which can be reused. Portable: The Jumper Wire Kit Tool with storage case is easy to carry, so you dont need to worry about the storage of these small parts. Application: The Assorted Jumper Wire Set is perfect for breadboard projects, and you can use tweezers to make the breadboard or permanently solder it in place. Description: The Jumper Wire Kit is able to work wherever a breadboard is needed, and the Preformed Breadboard Wire Kit is perfect for breadboard projects, and you can use tweezers to make the breadboard or permanently solder it in place. Features: Jumper Wire Kit -Color: random color -Material: Copper. -Size: Packing size: 20.5x16x3 cm/8.07x6.30x1.18 inch. Notes: Due to the light and screen setting difference, the items color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Including 560*Jumper Wires