I believe the caps for 15's and 16's interchange, the wheel centers are the same [but don't hold it to me] - the 6 clip wheels are pre-55, the 3 clip are 55-60 [but there are 6 clip-mount holes] - wheels beyond 60 still had the 6 holes to mount the clips but no clips

Bill

Moved over to the Passing Lane

"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 & Rust-a-holics Unanimous parking lot