I use 2 all day every day in TC,works perfectly. One 30 GA 2 mm 316 L at 0.91 ohms and one 28 GA 2 mm 316 L at 0.82 ohms. Both are slightly spaced and run on DNA 60 and DNA 75's.I never need to lock the resistance,very stable.I have also used on a pico without any problems.