This is a used 3/8-12 Acme-2, Ring set plug. (used to set Go/NoGo thread ring gages) P.D.'s .3284 & .3161.
This gage is in very good condition.
Follow this link for more gages: Thread Gages
Helpful information: List of thread form symbols
In some cases I have removed the plastic coating for photographing, those that are shown without coating
shown in picture with it or not.
I guarantee All gages I sell to be within spec and useable condition and I will always allow return of the gage
for refund if the item is not as stated.
