Bob if you have an existing outer the innner can be swapped over but they would need to be soldered ends, I broke the end off of mine & as it was a special order I had a shot with a soldered nipple & an evening with my drimmel. repair still going strong.
It's just getting hold of the stainless inner.
Drop TD a line as there is normally a homeless cable around
It is impossible to lick your elbow.
At least 75% of people who read this will try to lick their elbow!