Features Suitable for any breadboard or where jumpers are needed, very suitable for breadboard projects Comes with a storage box, neat and easy to carry. Simple to access and convenient to use Excellent brass material with good thermal conductivity, ductility and corrosion resistance All color jumpers are pre stripped and pre formed at right angles for easy insertion into the breadboard The kit includes 14 jumpers of different lengths to meet your various using needs Specification: Item Type: Breadboard Jumper Wire Kit Material: Brass Model: 140Pcs jumper(14 lengths, 10pcs each length) Category: Approx. 2mm / 0.1in 5mm / 0.2in 7mm / 0.3in 10mm / 0.4in 12mm / 0.5in 15mm / 0.6in 17mm / 0.7in 20mm / 0.8in 22mm / 0.9in 25mm / 1in 50mm / 2in 75mm / 3in 100mm / 3.9in 125mm / 4.9in Purpose: Breadboard jumper Package List: 140 x Breadboard Jumper Wire Package List 140 x Breadboard Jumper Wire