1、Both ends of the jumper wire have been peeled off, and the right‑angle wire is prefabricated for easy insertion directly into the breadboard. 2、Breadboard wire is very suitable for any breadboard, prototyping, prototype circuit, LED strip, test circuit, etc. 3、Can be very firmly connected to the pin without soldering, and can be used for fast circuit testing. 4、The kit contains 560 jumpers, which are sufficient in number and diverse in size, suitable for various circuit board connections. 5、Equipped with a separate storage box, convenient for you to store the jumper in an orderly manner, and easy to access. 560 x Jumper Wires Item Type: Jumper WireMaterial: Aluminum + CopperJumper Wire Length: 2mm, 5mm, 7mm, 10mm, 12mm, 15mm, 17mm, 20mm, 22mm, 25mm, 50mm, 75mm, 100mm, 125mmApplication: Computers, electronic communications, instruments, meters, industrial program control, digital cameras, MP3, card readers, DVDs, LCM/LCD displays, electronic toys, PCB engineering, PC motherboards, etc.Purpose: Widely used in the connection of electronic projects. It can be used to expand the pins of the experiment board and increase the experiment items. It can be connected to the pins very firmly without soldering, and is used for fast circuit testing.