This Jumper Wire pack is suitable for use with all Prototype Boards (Breadboards) and provides a selection of ready cut leads ideally suited for this purpose. The pack includes 10 pieces each of 14 different lengths, 2.5mm to 125mm (total 140pcs). Leads are PVC insulated, colour coded in a variety of different colours, and pre-formed ready for use and come in a handy Perspex, partitioned case. RoHS compliant.