Features: Each jumper wire has stripped ends and preformed right-angled leads for easy insertion into your breadboard. All colored jumper wires are pre-stripped and preformed with right-angled leads, making them easy to insert into breadboards. Designed to work well with any breadboard or wherever jumper wires are needed, these wires are ideal for breadboard projects, prototyping, prototype circuits, test circuits, and more. Includes 14 different lengths to suit various requirements. Provides a quick and easy way to build your own breadboard circuit. Comes with a storage plastic box for convenient carrying. Specifications: Type: 140pcs, 560pcs, 840pcs (optional) Length: 2mm, 5mm, 7mm, 10mm, 12mm, 15mm, 17mm, 20mm, 22mm, 25mm, 50mm, 75mm, 100mm, 125mm (all included) Material: Plastic + PE + Metal Package Size: 140pcs: 160 x 52 x 15mm / 6.3 x 2.0 x 0.6in 560pcs: 170 x 95 x 22mm / 6.7 x 3.7 x 0.9in 840pcs: 170 x 100 x 22mm / 6.7 x 3.9 x 0.9in Package Weight: 140pcs: 53g / 1.9oz 560pcs: 104g / 3.7oz 840pcs: 136g / 4.8oz Packing List: 140pcs Set: 10 x 2mm Long Jumper Wire 10 x 5mm Long Jumper Wire 10 x 7mm Long Jumper Wire 10 x 10mm Long Jumper Wire 10 x 12mm Long Jumper Wire 10 x 15mm Long Jumper Wire 10 x 17mm Long Jumper Wire 10 x 20mm Long Jumper Wire 10 x 22mm Long Jumper Wire 10 x 25mm Long Jumper Wire 10 x 50mm Long Jumper Wire 10 x 75mm Long Jumper Wire 10 x 100mm Long Jumper Wire 10 x 125mm Long Jumper Wire 560pcs Set: 40 x 2mm Long Jumper Wire 40 x 5mm Long Jumper Wire 40 x 7mm Long Jumper Wire 40 x 10mm Long Jumper Wire 40 x 12mm Long Jumper Wire 40 x 15mm Long Jumper Wire 40 x 17mm Long Jumper Wire 40 x 20mm Long Jumper Wire 40 x 22mm Long Jumper Wire 40 x 25mm Long Jumper Wire 40 x 50mm Long Jumper Wire 40 x 75mm Long Jumper Wire 40 x 100mm Long Jumper Wire 40 x 125mm Long Jumper Wire 840pcs Set: 60 x 2mm Long Jumper Wire 60 x 5mm Long Jumper Wire 60 x 7mm Long Jumper Wire 60 x 10mm Long Jumper Wire 60 x 12mm Long Jumper Wire 60 x 15mm Long Jumper Wire 60 x 17mm Long Jumper Wire 60 x 20mm Long Jumper Wire 60 x 22mm Long Jumper Wire 60 x 25mm Long Jumper Wire 60 x 50mm Long Jumper Wire 60 x 75mm Long Jumper Wire 60 x 100mm Long Jumper Wire 60 x 125mm Long Jumper Wire