ITEM NAME:560x/set Solderless Breadboard Jumper Cable Wire Kit Assorted Lengths Wir EIR Descriptio n Specification:.560x Jumpers Kit for 14 Lengths of PCB Jumpers. Note: the circuit board is a little bit soft, easy to change the shape for connection test;If it is found that it cannot be inserted, check whether the cable in the PCB pin hole is intact.