42734 Mineral Insulated, Compression Style Thermocouple. This Type J Thermocouple Has A Bendable Probe That Is 3/16" Diameter By 26" Long. It Has 24" Fiberglass Insulated Leads With Stainless Steel Braiding. This Thermocouple Is Ungrounded. 3/8" OD x 1-1/4" Long Transition Fitting with Strain Relief Spring. Two-Pin Mini Plug with mating Two-Hole Mini Jack INCLUDED. 1/8" NPT Compression Fitting INCLUDED. 

31478 Type J Thermocouple-bayonet style, grounded, 3/8"L Bayonet Tip with standard 2-prong plug, Adjustable 8" L Clamp Relief Spring And Cap, Stainless Steel Overbraid, 36" Length

X43946 Type J Thermocouple-Bayonet Style, Ungrounded, 0.75"OD BY 0.75" steel probe with 8" spring tack-welded at 3/8", Stainless Steel cap for extra rugged environments, 48"L PFA leads with stainless steel braid protection, Mil-Spec Two Pin Straight Plug Connector