Detailed introduction: 30pcs 10cm 2.54mm jumper wire Dupont cable 2.54mm 1pin Female to Female Male To Female Male To Male Length:10cm Qty:30pcs(10pcs x 3) Packet Included 24x...........Shrink Tube (1mmto 12mm) 4x.............Crocodile Clip 8x.............T connector...