A kit containing 65 interconnecting wires for use with all of our solderless breadboards. There are seven different coloured leads (Red, Black, White, Yellow, Green, Orange and Blue). Each lead is made from 22AWG PVC coated wire and has a male pin on each end. There are 4 different lengths:45 x 100mm, 10 x 150mm, 5 x 200mm and 5 x 250mm