THIS IS THE CHAMFERED PIN THAT YOU NEED TO REPLACE/REFIT THE INTERIOR DOOR HANDLES AND WINDER HANDLES
Part no 600832
Sometimes a bit of stiff wire is used - thats rough and probably not the right gauge causing wear to the plastic escutcheon and looseness
TRIUMPH TR4 - TR6
TRIUMPH 2000/2500 RANGE
Note that you are only buying the pin, not also the handle showing a fitment example.