50 Piece Set of Reinforced Breadboard Jumper Wire Male to Male Various sizes of 2" to 8" Colors include: Brown, Gray, Orange, Purple, Blue Great for prototyping on a solderless breadboard, or building circuits on your microcontroller's protoboard Colors include: Brown (2 inch) Gray (2.8 inch) Orange (4 inch) Purple (6 inch) Blue (8 inch)