The MKS 286 controller and all its accessories have been discountinued from MKS Instruments. We often have used cables that are tested and in good working condition. These cables work for all MKS Instruments 286 dual thermocouple gauge controllers. We also offer replacement thermocouple sensors for the MKS 286 controllers. These cables are 20 feet long, are good used condition, and have MKS part number CB286-2-20.