They do work but there must be a better way
I needed to insulate parts of my layout and these do make it possible but they are a bit soft and squishy and also a little fatter than a metal joiner.
A bit fiddly to use and it takes a bit of patience and care to fit into place.
The only other way i know to do tis would be to cut the track or fit special pre-made tracks that have insulated sections built in.
They do, do the job but I wish they were better.
Quality wise and what they promise they do, with care, deliver so I will use more if I have to.
Verified purchase: Yes | Condition: New