Features:  Each jumper wire has stripped ends and preformed right-angled leads for easy insertion into your breadboard ,all the colored jumper wire are pre-stripped and preformed right-angled, easy to insert it into breadboard.  Designed to work well with any breadboards or anywhere jumper wires are needed, perfect for breadboard projects these breadboards wires are fine for use with any breadboard, prototyping, prototype circuits, test circuits and etc.  Contains 14 lengths to suit different needs.  It's a quick and easy way to build your own breadboard circuit.  With a storage plastics box for easy 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: plastics+PE+metal  Package size:  140pcs: 160 * 52 * 15mm / 6.3 * 2.0 * 0.6in  560pcs: 170 * 95 * 22mm / 6.7 * 3.7 * 0.9in  840pcs: 170 * 100 * 22mm / 6.7 * 3.9 * 0.9in  Package weight:  140pcs: 53g / 1.9ounce  560pcs: 104g / 3.7ounce  840pcs: 136g / 4.8ounce    Packing List:  140pcs set:  10 * 2mm Long Jumper Wire  10 * 5mm Long Jumper Wire  10 * 7mm Long Jumper Wire  10 * 10mm Long Jumper Wire  10 * 12mm Long Jumper Wire  10 * 15mm Long Jumper Wire  10 * 17mm Long Jumper Wire  10 * 20mm Long Jumper Wire  10 * 22mm Long Jumper Wire  10 * 25mm Long Jumper Wire  10 * 50mm Long Jumper Wire  10 * 75mm Long Jumper Wire  10 * 100mm Long Jumper Wire  10 * 125mm Long Jumper Wire    560pcs set:  40 * 2mm Long Jumper Wire  40 * 5mm Long Jumper Wire  40 * 7mm Long Jumper Wire  40 * 10mm Long Jumper Wire  40 * 12mm Long Jumper Wire  40 * 15mm Long Jumper Wire  40 * 17mm Long Jumper Wire  40 * 20mm Long Jumper Wire  40 * 22mm Long Jumper Wire  40 * 25mm Long Jumper Wire  40 * 50mm Long Jumper Wire  40 * 75mm Long Jumper Wire  40 * 100mm Long Jumper Wire  40 * 125mm Long Jumper Wire    840pcs set:  60 * 2mm Long Jumper Wire  60 * 5mm Long Jumper Wire  60 * 7mm Long Jumper Wire  60 * 10mm Long Jumper Wire  60 * 12mm Long Jumper Wire  60 * 15mm Long Jumper Wire  60 * 17mm Long Jumper Wire  60 * 20mm Long Jumper Wire  60 * 22mm Long Jumper Wire  60 * 25mm Long Jumper Wire  60 * 50mm Long Jumper Wire  60 * 75mm Long Jumper Wire  60 * 100mm Long Jumper Wire  60 * 125mm Long Jumper Wire