Type-k thermocouple PAC - 1064P 15584 has a bayonet temperature probe for k-type thermocouple applications. This is a high temperature thermocouple for continuous usage at -328 to 2100 degrees F. The temperature measurement is done with a sensing probe that is 3/16" diameter by 3/8" length. This high temperature sensor also has a bayonet style cap, standard male plug, and a 60" length of stainless steel armor.