1、Products adopt a variety of color shell, easy to identify, not easy to confuse. 2、The breadboard jumper cable is made of high-quality metal with good conductivity and stable transmission signal. 3、The product is suitable for all kinds of PCB boards. 4、Compared with traditional conductors, wire arrangement is not only convenient for wiring, but also uses fewer wires and is more efficient. 5、High-quality plastic shell, good insulation, aging resistance, long service life. Feature: Products adopt a variety of color shell, easy to identify, not easy to confuse. The breadboard jumper cable is made of high-quality metal with good conductivity and stable transmission signal. The product is suitable for all kinds of PCB boards. Compared with traditional conductors, wire arrangement is not only convenient for wiring, but also uses fewer wires and is more efficient. High-quality plastic shell, good insulation, aging resistance, long service life. Specification: Dimensions: 10cm / 3.9in; 20cm / 7.8in; 30cm / 11.8in Number of cores: 40 cores Model: (Optional) #1, 10cm, Male to male; #2, 10cm, Male to female, #3, 20cm, Male to male; #4, 20cm, Male to female, #5, 20cm, Female to female #6, 30cm, Male to male; #7, 30cm, Male to female, #8, 30cm, Female to female Scope of application: signal transmission Package list: 5 * Jumper Wire Note: The actual product color may deviate from the photo due to light. There may be a slight deviation in the measurement of product.