Features: This comprehensive Jumper wire Set is designs for enthusiasts, featuring different lengths ranging from 2mm to 25mm for various prototyping needs. Craft with plastic and brass, these insulated, flexible yet rigids Jumper Wire ensures connection and can reused multiple time without wear. For electronics hobbyists, student, and engineers, this Set support wide ranges of projects and educational purposes, making it additioin for anyone working with breadboards. For use in laboratories, classrooms, or home, these Jumper Wire facilitate easy circuit testing and modifications, enhancing your prototyping experience. With random vibranting color, this Set not only provide functionality but also add vibranting color to your electronic projects, ensuring you never lose track of your connection. Specifications: Component: Plastic, Brass Color: As Picture Show Size: Mixed Package Includes: 840pcs Jumper Wire note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you will not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual color.