DuPont style Jumper wire cable assemblies 20cm long 2.54 1P-1P Male-Male / Female-Female / Female-Male, 20pcs of each, RBTMKR 20cm Long A popular choice for use with solderless breadboards, Arduino and Raspberry Pi Projects. Can be connected to each other to create longer cables. Pack includes: 20 Pieces each of Male to Male, Female to Female and Male to Female jumper and connecting cables