Feature 1Wide application: designed to work well with any breadboards or anywhere jumper wires are needed, perfect for breadboard projects. 2Easy to use: all the colored jumper wires are pre-stripped and preformed right-angled, easy to insert into breadboard. 3Complete specification: this kit includes 14 different lengths of jumper wires which can satisfy all your need. 4Storage box: come with a free plastic box, keep your jumper wire kit organized, convenient for store and fetch. 5These leads are flexible, durable and easy to connect and disconnect, ideal for prototyping use.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 + Metal Weight: Approx.53g/ 1.9oz Box Size: Approx.165 * 55 * 10mm/ 6.5 * 2.2 * 0.4in Quantity: 140 pcs Wire Length: 2, 5, 7, 10, 12, 15, 17, 20, 22, 25, 50, 75, 100, 125mm (10pcs each length) Package List: 140 pcs * Jumper Wires 1 * Storage Box Note: 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. .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }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.