They're great for flat tyres. But that's all. I don't see much use for technicians. May be convenient for tire changers using medium lifts and located near tire changers, but impractical for dealer technicians using full lifts and located further from the tire changer. equalize After that, it cannot be reinstalled without removing the air. So the tpms location function doesn't really work (use a bold pen and label the wheel). I usually mark and remove all the wheels, align them, mount them and drive to the tire shop while I deflate them. Change tires, remove caps, balance, mount, tighten.