no they make -3.-4 most of it is for very hi psi . trans lines do not need to be teflon there abit more work as they have that we call a olive that needs to be put on the end of the line can be fun .plane ss line can be fun to like sunsetdart said i fined a very thin cut off disc wheel works the best for ss lines. make shure you keep wires from getting in the thread s of fitting must be clean of any fagments of steel in hose i use to build them with dawn soap then wash them out with water then blow out with air