Welcome to our shop! 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 needs. - These wires are flexible, durable, and easy to connect and disconnect, ideal for prototyping use. - 560 pieces of jumper wires in total, with 40 pieces for each size. - Comes with a plastic box to keep your jumper wire kit organized, convenient for storage and retrieval. 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 100% Satisfaction: Our customers are our top priority. If you find any product problems after receiving the goods, such as damage and incorrect quantity of goods, please contact the seller immediately. We try our best to provide you with satisfactory after-sales service.