Feature 1Designed to work well with any breadboards or anywhere jumper wires are needed, perfect for breadboard projects. 2This kit includes 14 different lengths of jumper wires which can satisfy all your need. 3These wires are flexible, durable and easy to connect and disconnect, ideal for prototyping use. 4560 pieces jumper wires in total, 14 lengths, 40 pieces for each size. 5Come with a plastic box, keep your jumper wire kit organized, convenient for store and fetch.Features: Designed to work well with any breadboards or anywhere jumper wires are needed, perfect for breadboard projects. This kit includes 14 different lengths of jumper wires which can satisfy all your need. These wires are flexible, durable and easy to connect and disconnect, ideal for prototyping use. 560 pieces jumper wires in total, 14 lengths, 40 pieces for each size. Come with a plastic box, keep your jumper wire kit organized, convenient for store and fetch. Specification: Condition: 100% brand new Item Name: Jumper Wire Quantity: 560pcs Length: 2mm, 5mm, 7mm, 10mm, 12mm, 15mm, 17mm, 20mm, 22mm, 25mm, 50mm, 75mm, 100mm, 125mm Package List: 40 * 2 mm Jumper Wires 40 * 5 mm Jumper Wires 40 * 7 mm Jumper Wires 40 * 10 mm Jumper Wires 40 * 12 mm Jumper Wires 40 * 15 mm Jumper Wires 40 * 17 mm Jumper Wires 40 * 20 mm Jumper Wires 40 * 22 mm Jumper Wires 40 * 25 mm Jumper Wires 40 * 50 mm Jumper Wires 40 * 75 mm Jumper Wires 40 * 100 mm Jumper Wires 40 * 125 mm Jumper Wires 1 * Plastic Storage Box