Length: 2mm, 5mm, 7mm, 10mm, 12mm, 15mm, 17mm, 20mm, 22mm, 25mm, 50mm, 75mm, 100mm, 125mm Designed to work with any breadboard or anywhere jumper wires are needed, great for breadboard projects. These wires are flexible, durable, easy to connect and disconnect. They are perfect for all breadboards, prototypes, prototype circuits, LED strips, test circuits. This kit includes 14 different lengths of jumper wires which can satisfy all your needs. 560 pieces jumper wires in total, 14 lengths, 40 pieces for each size. Come with a plastic box, keep your jumper wire kit well organized, easy to store and retrieve. Specification: Condition: 100% Brand New Item Name: Jumper Wire Quantity: 560pcs Package List: 40 * 2mm Jumper Wires 40 * 5mm Jumper Wires 40 * 7mm Jumper Wires 40 * 8mm Jumper Wires 40 * 10mm Jumper Wires 40 * 12mm Jumper Wires 40 * 14mm Jumper Wires 40 * 16mm Jumper Wires 40 * 20mm Jumper Wires 40 * 30mm Jumper Wires 40 * 45mm Jumper Wires 40 * 50mm Jumper Wires 40 * 60mm Jumper Wires 40 * 75mm Jumper Wires 40 * 80mm Jumper Wires 40 * 100mm Jumper Wires 40 * 120mm Jumper Wires 40 * 140mm Jumper Wires 40 * 25mm Jumper Wires 40 * 30mm Jumper Wires 4 10mm Jumper wires 40*12mm Jumper wires 40*15mm Jumper wires 40*17mm Jumper wires 40*20mm Jumper wires 40*22mm Jumper wires 40*25mm Jumper wires 40*50mm Jumper wires 40*75mm Jumper wires 40*100mm Jumper wires 40*125mm 1*Plastic storage box