Elenco 350 Piece Pre-formed Jumper Wire Kit Contains 350 lengths of #22 solid wire jumpers in various colors 4 different lengths of 25 pieces of each Contained in a large 14 compartment plastic case Designed to work well with breadboards or anywhere jumper wires are needed, made in Taiwan For 30 years Elenco has been using their strong engineering and design skills to develop reliable, affordable electronic test equipment, tools, and educational kits