Tom, Radio Shack used to have alegator clips which were designed to slip onto the tips of those kinds of probes. It has been many years since I bought them, so I don't know if they are still abailable. Good luck. 73, Gale [log in to unmask] --- [This E-mail scanned for viruses by Oasis Online] Now available Nationwide call 1-888-547-6277 for information.