Includes a black round plastic patch cable end and yellow box patch cable end *Patch Cable only work on Mychron 4, Mychron 5, Mychron 6 2T Gauges Patch cable from back of Gauge to sensors, 7 Pin Cable to Back of Gauge 1 Thermocouple, 1 Thermoresistor Plug Mychron 4 Mychron 5 Mychron 6 M4, M5, M6