Features:Wide application: designed to work well with any breadboards or anywhere jumper wires are needed, perfect for breadboard projects.Easy to use: all the colored jumper wires are pre-stripped and preformed right-angled, easy to insert into breadboard.Complete specification: this kit includes 14 different lengths of jumper wires which can satisfy all your need.Storage box: come with a free plastic box, keep your jumper wire kit organized, convenient for store and fetch.These leads are flexible, durable and easy to connect and disconnect, ideal for prototyping use.Specification:Material: Plastic + MetalWeight: Approx.53g/ 1.9ozBox Size: Approx.165 * 55 * 10mm/ 6.5 * 2.2 * 0.4inQuantity: 140 pcsWire Length: 2, 5, 7, 10, 12, 15, 17, 20, 22, 25, 50, 75, 100, 125mm (10pcs each length)Package List:140 pcs * Jumper Wires1 * Storage BoxNote:Please allow 1-2mm errors due to manual measurement.Item color displayed in photos may be showing slightly different on your computer monitor since monitors are not calibrated same..Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.