I make these up to the length you need and customize them for your use. Just click on the pictures to get some of the basic pricing and different ways I do them. Takes the guess work out of what the temp is of your part so you know its right. These type clips are used in big plaints and in labs all the time. The even have switches to handle 12 and 24 TC probes if your pocket is deep enough. I have been using mine for a couple of years and have a few out there to some of the coaters. I do send instruction on proper use of them. They are used in conjunction with your normal TC already in your oven. It does not replace it.