I've never seen anything like cage nuts available, and it is handy to have them where they were originally used, but as much for locating and holding as for adjustment .... you could always try making your own cages
"When we tug a single thing in nature, we find it attached to the rest of the world" ~ John Muir "When we tug a single thing on an old truck, we find it falls off" ~ me Some TF series details & TF heater pics
