The items included are as follows. 1 x Male and Female XT60. 1 x 20cm Heatshrink 5mm Diameter Red 2 to 1 ratio. 1 x 20cm Heatshrink 5mm Diameter Black 2 to 1 ratio. 1 x 50cm 12AWG Wire Red. 1 x 50cm 12AWG Wire Black. Specifications for 12AWG wire are as follows. Single wire diameter 0.08mm. Core wire count 680. Wire diameter 2.48mm. Insulator thickness 1mm. Finished diameter insulator and wire 4.5mm. Conductor resistance ohm or km 9.8. Acceptable current 88.4 amps. XT60 has a continous current of 60 amps.