Get right to it on up to 1-1/8 tubing with hilmor s Thermocouple Clamp. A K-style connection offers a secure fit and is easy to use with other devices. It is a perfect pairing for the hilmor Dual Readout Thermometer. When the job is done, it is easy to stow it away. Simply wrap the thermocouple wire around the handle, and secure the plug into the clamp.